Goldstone Radar Images of 2017 BQ6
Goldstone Radar Observations Planning: comet 45P/Honda-Mrkos-Pajdusakova, 2015 BN509, 2017 BW, 2013 WT67, 2017 BQ6, 2013 FK, and 2017 BY93
Delay-Doppler images of 2017 BQ6 obtained on February 6, 2017. Resolution is 3.75 m x 0.13 Hz. Range increases down and Doppler frequency increases to the right.
Delay-Doppler images of 2017 BQ6 obtained on February 7, 2017. Resolution is 3.75 m x 0.07 Hz. Range increases down and Doppler frequency increases to the right.
Delay-Doppler images of 2017 BW obtained on February 11, 2017. Resolution is 3.75 m x 0.06 Hz. Range increases down and Doppler frequency increases to the right. The images suggest a small, blocky object and place a lower bound on its long axis of at least 24 meters.
Delay-Doppler images of 2017 BW obtained on February 12, 2017 between. The original range resolution was 3.75 m/pixel, but we double sampled in time delay, so the effective resolution in the collage is 1.875 m x 0.03 Hz. Range increases down and Doppler frequency increases to the right. The images reveal a bifurcated object and place a lower bound on its long axis of at least 40 meters.
Delay-Doppler images of 2017 BW obtained on February 13, 2017 between 05:46-10:15 UT. The resolution is 3.75 m x 0.03 Hz.
Delay-Doppler images of 2017 BW obtained on February 14, 2017 between 04:40-05:55 UT. The resolution is 3.75 m x 0.03 Hz.
Delay-Doppler images of 2017 BW obtained on February 17, 2017 between 07:16-08:55 UT.
Delay-Doppler images of 2017 BW obtained on February 18, 2017. Resolution is 3.75 m x 0.03 Hz
Delay-Doppler images of 2017 BY93 obtained on February 22, 2017 from 06:47-07:04 UT. Resolution is 7.5 m x 2.0 Hz.
This is a planning page for Goldstone radar observations of comet 45P/Honda-Mrkos-Pajdusakova and near-Earth asteroids 2015 BN509, 2017 BW, 2013 WT67, 2017 BQ6, 2013 FK, and 2017 BY93. 45P/Honda-Mrkos-Pajdusakova Comet 45P/Honda-Mrkos-Pajdusakova (hereafter comet HMP) was discovered on Dec. 3, 1948 by Minoru Honda at Kurashiki, Japan. Its other co-discovers are Czech astronomer Antonin Mrkos and Slovak astronomer Ludmila Pajdusakova. 45P is a Jupiter-family comet with a period of 5.25 years. The size of the nucleus is not well known and could be between 0.5-1.6 km in diameter. During the August 2011 close approach, we used the 70 meter DSS-14 antenna at Goldstone to obtain echo power spectra of this comet. The comet was outside Arecibo's declination window during that close approach. The spectra contained two components: a narrow ~10 Hz wide echo from the comet nucleus surrounded by a broader ~400 Hz wide lower amplitude signal from the coma. If we assume an equatorial view and a rotation period of at least five hours, which is faster than the periods of most comets, then the 10 Hz bandwidth implies a diameter larger than 0.5 km. The comet will be observable at both Goldstone and Arecibo during and around the time of the close-approach in 2017. SNRs/run from the nucleus are expected to be less than 10 at Goldstone and over 200 at Arecibo. At Goldstone we plan on obtaining echo power spectra, but at Arecibo it should be an excellent imaging target. Range resolution of the Arecibo images is expected to be about 15 m/pixel. The data will allow us to constrain the size and spin period of the nucleus. The images should reveal the shape and surface/sub-surface features on the nucleus. The data will also enable us to constrain the size and velocity distribution of the cm-sized coma grains. Comet HMP is bright enough to see with binoculars and small telescopes. 2015 BN509 2015 BN509 will approach within 0.042 au on 2017 February 7. Its absolute magnitude of 20.6 suggests a diameter within a factor of two of 240 meters. In January 2017, Brian Warner reported a rotation period of 5.7 +- 0.004 h and a lightcurve amplitude of 1.0 mag, suggesting an elongated shape. Nothing else is known about this object. The 2017 flyby should be close enough to get CW observations, ranging measurements, and perhaps coarse-resolution radar images at Goldstone. The view periods for this object overlap those already scheduled for comet HMP on February 8 and we plan to observe both objects on that day. This object will be an outstanding radar imaging target at Arecibo, where tracks are scheduled daily between February 5-9. 2015 BN509 has been classified as a "Potentially Hazardous Asteroid" by the Minor Planet Center. 2017 BW 2017 BW was discovered on 2017 January 19 by GINOP-KHK at Piszkesteto Observatory in Hungary. This object has an absolute magnitude of 23.4 that suggests a diameter of about 70 meters. Lightcurves reported by Petr Pravec reveal a non-principal axis rotation state with periods of about 15 hours and 19 hours and an amplitude of ~0.5 mag that is indicative of a somewhat elongated shape. 2017 BW will approach within 0.012 au (4.7 lunar distances) on February 17. We estimate that SNRs at Goldstone will be strong enough for detailed delay-Doppler imaging with resolutions as fine as 3.75 m/pixel. The 2017 flyby is relatively slow and this object could be observed at Goldstone for about one month. This object is on NASA's NHATS list of potential mission targets so any information we can learn about it is important. View periods for 2017 BW overlap time already allocated for comet HMP and 2013 WT67 on Feb. 11-13 so we have added it to the schedule on those days. We have also requested additional time on subsequent days when the SNRs will be significantly stronger. Due to the small diameter and relatively slow rotation, we expect to measure a bandwidth of about 0.5 Hz at Goldstone. 2013 WT67 2013 WT67 was discovered on November 29, 2013 by Spacewatch at Kitt Peak. This asteroid was observed using photometry and radar during its 2014 apparition. Brian Warner reported a rotation period of ~135 hours and 1.1 mag lightcurve amplitude, clearly establishing slow rotation and a very elongated shape. Arecibo radar data are consistent with slow rotation and the bandwidths of the echo power spectra from three observing days imply an object with dimensions of roughly 490 x 830 m. The S-band circular polarization ratio for this object is very high, SC/OC = 0.7 +/- 0.1, suggesting substantial near-surface roughness at the radar wavelenghths. A high value of the SC/OC ratio has been linked to E and V taxonomic classes (Benner et al., 2008). 2013 WT67 will approach within 0.11 au on February 17, 2017. It will be ~2.75 times more distant than during the 2014 apparition and the radar SNRs will be about 60 times weaker. We expect that 2013 WT67 will be CW-only target at Goldstone, with possible 10 and 11 us range estimates, while Arecibo could attempt a moderate (30 m) resolution imaging. 2013 WT67 remains within 90 deg from the Sun prior and during radar observations, which makes it a difficult target for optical observations. The Minor Planet Center has classified 2013 WT67 as a "Potentially Hazardous Asteroid." 2017 BQ6 2017 BQ6 was discovered on January 26 by the Space Surveillance Telescope in New Mexico and it will approach within 0.017 au on February 7. Its absolute magnitude of 21.3 suggests a diameter within a factor of two of 170 m but otherwise we know nothing about its physical properties. It will be a strong radar target at Goldstone and Arecibo and we have scheduled time at Goldstone between Feb. 8-14. Four of the view periods overlap time already scheduled at Goldstone for other objects. 2017 BQ6 has been classified as a "Potentially Hazardous Asteroid" by the Minor Planet Center. 2013 FK 2013 FK was discovered by the Siding Spring Survey in March 2013. This object has an absolute magnitude of 23.2 that suggests a diameter of roughly 70 meters. Nothing else is known about its physical properties. This object was observed from 2013 March 18-April 21 but not seen again until late December 2016. 2013 FK will approach within 7.1 lunar distances (0.0184 au) on February 5 and its view period overlaps time already scheduled for 2017 BQ6. The SNRs at Goldstone could be strong enough for imaging. Arecibo results from Feb. 3 reported by Patrick Taylor suggest D ~ 0.1 km and P ~ 4 h. All else being equal, this suggests SNRs nearly 5x stronger than we previously estimated. 2017 BY93 2017 BY93 was discovered by Pan-STARRS 1 on 2017 January 26 and it will approach within 0.0061 au (2.4 lunar distances) on February 23. Its absolute magnitude of 23.1 suggests a diameter of about 80 meters, plus or minus a factor of two, but otherwise we know nothing about it. Update on Feb. 21: Petr Pravec reports a rotation period of 0.8225 +/- 0.0001 h and a lightcurve amplitude of 0.11 mag. This suggests relatively low elongation. The view periods at Goldstone overlap time already allocated for 2013 WT67 on February 22 so we have added it to the schedule on that day only.
Orbital and Physical Characteristics
Provisional Designation 1948 X1 2015 BN509 2017 BW 2013 WT67 2017 BQ6 2013 FK 2017 BY93
Number 45P Not numbered Not numbered 443103 not numbered not numbered not numbered
Discoverers Honda, Mrkos, and Pajdusakova Mt. Lemmon Survey Piszkesteto 0.6 m Spacewatch 691 SST-LINEAR G45 Siding Spring Pan-STARRS 1
Discovery date 1948 Dec 03 2015 Jan 22 2017 Jan 19 2013 Nov 29 2017 Jan 26 2013 Mar 17 2017 Jan 26
orbit type Jupiter Family Comet Apollo Apollo Apollo Apollo Apollo Apollo
Close approach date 2017 Feb 11 2017 Feb 07 2017 Feb 17 2017 Feb 17 2017 Feb 7 2017 Feb 5 2017 Feb 23
Close approach dist. 0.083 au 0.042 au 0.012 au 0.11 au 0.017 au 0.0182 au 0.0061 au
Close approach dist. 32.3 LD 16.2 LD 4.7 LD 42.8 LD 6.5 LD 7.1 LD 2.4 LD
semimajor axis 3.025 au 1.007 au 1.080 1.035 au 1.945 au 2.512 au 1.306 au
eccentricity 0.824 0.568 0.140 0.192 0.531 0.615 0.587
inclination 4.25 deg 4.2 deg 4.9 deg 21.5 deg 9.0 deg 3.4 deg 4.4 deg
perihelion distance 0.533 au 0.434 au 0.928 au 0.836 au 0.931 au 0.968 au 0.540 au
aphelion distance 5.517 au 1.579 au 1.231 au 1.234 au 2.977 au 4.057 au 2.073 au
Comet total magnitude H 14 20.6 23.4 18.0 21.3 23.2 23.1
diameter 1.6 km ~0.24 km ~0.07 km ~0.8 km ~0.17 km ~0.1 km ~0.08 km
optical albedo ~0.04 unknown unknown unknown unknown unknown unknown
rotation period unknown 5.7 h ~19 h 135 h unknown ~4 h 0.8225 h
lightcurve amplitude unknown 1.0 mag 0.45 mag 1.1 mag unknown unknown 0.11 mag
pole direction unknown unknown unknown unknown unknown unknown unknown
PHA NHATS PHA PHA
LD = one lunar distance (384,400 km)
Uncertainties in the diameters are about a factor of two for most objects.
Last update: 2017 February 21
Comet HMP: The discovery was probably announced in an IAU Circular in December 1948. 2015 BN509 http://www.minorplanetcenter.net/mpec/K15/K15BC5.html 2017 BW http://www.minorplanetcenter.net/mpec/K17/K17B34.html 2013 WT67 http://www.minorplanetcenter.net/mpec/K13/K13X20.html 2017 BQ6 http://www.minorplanetcenter.net/mpec/K17/K17B90.html 2013 FK http://www.minorplanetcenter.net/mpec/K13/K13F18.html 2017 BY93 http://www.minorplanetcenter.net/mpec/K17/K17C35.html
45P/Honda-Mrkos-Pajdusakova Goldstone SNRs Assumptions: D = 1.6 km, P = 5 h, OC albedo = 0.1 w DOY start date window RA, dec dist runs SNR/day SNR/run 05 35 2017 FEB 04 13:49-22:49 291.8, 3 0.1188 136 30 3 06 36 2017 FEB 05 13:24-22:34 287.6, 6 0.1097 150 42 3 06 37 2017 FEB 06 12:54-22:19 282.8, 9 0.1016 167 58 4 06 38 2017 FEB 07 12:19-22:04 277.1, 12 0.0947 185 78 6 06 39 2017 FEB 08 11:39-21:44 270.4, 16 0.0892 203 100 7 Scheduled Overlaps 2017 BQ6 06 40 2017 FEB 09 10:59-21:19 262.8, 20 0.0854 218 120 8 06 41 2017 FEB 10 10:14-20:49 254.3, 23 0.0834 228 130 9 06 42 2017 FEB 11 09:24-20:19 245.1, 27 0.0832 236 140 9 Scheduled 07 43 2017 FEB 12 08:34-19:44 235.7, 29 0.0842 239 130 9 Scheduled 07 44 2017 FEB 13 07:49-19:09 226.6, 31 0.0871 234 120 8 Scheduled 07 45 2017 FEB 14 07:04-18:34 218.0, 32 0.0918 226 96 6 07 46 2017 FEB 15 06:29-17:59 210.3, 32 0.0979 211 74 5 07 47 2017 FEB 16 05:54-17:29 203.6, 32 0.1053 198 56 4 07 48 2017 FEB 17 05:29-16:59 197.8, 32 0.1137 182 41 3 07 49 2017 FEB 18 05:04-16:34 192.9, 32 0.1230 168 30 2 45P/Honda-Mrkos-Pajdusakova Arecibo SNRs start date window RA, dec dist runs SNR/day SNR/run 2017 FEB 02 15:15-15:50 299, -1 0.142 7 110 40 2017 FEB 03 14:40-15:55 296, 0 0.131 17 220 53 2017 FEB 04 14:10-15:55 292, 2 0.121 25 350 70 2017 FEB 05 13:40-15:45 288, 5 0.112 33 530 92 2017 FEB 06 13:05-15:30 284, 8 0.103 41 780 120 2017 FEB 07 12:35-15:10 278, 11 0.096 48 1100 160 2017 FEB 08 12:00-14:45 272, 15 0.090 54 1400 190 2017 FEB 09 11:25-14:15 265, 18 0.086 59 1800 230 2017 FEB 10 10:50-13:40 257, 22 0.083 60 2000 250 Scheduled 2017 FEB 11 10:15-12:55 248, 26 0.083 57 2000 260 Scheduled 2017 FEB 12 09:40-12:10 238, 28 0.084 53 1800 250 Scheduled 2017 FEB 13 09:05-11:20 229, 30 0.087 46 1500 220 Scheduled 2017 FEB 14 08:30-10:40 220, 32 0.092 42 1200 180 Scheduled 2017 FEB 15 07:55-10:00 212, 32 0.098 38 900 150 Scheduled 2017 FEB 16 07:25-09:30 205, 33 0.105 35 670 110 Scheduled 2017 FEB 17 06:55-09:00 199, 32 0.114 32 490 87 Scheduled 2017 FEB 18 06:30-08:40 194, 32 0.123 31 370 66 2017 FEB 19 06:05-08:20 190, 31 0.133 30 280 51 2017 FEB 20 05:45-08:00 186, 31 0.144 28 200 39 2017 FEB 21 05:25-07:45 183, 30 0.155 27 160 30 2017 FEB 22 05:05-07:35 180, 30 0.166 27 120 23 2017 FEB 23 04:50-07:20 177, 29 0.178 25 92 18 2017 FEB 24 04:35-07:10 175, 28 0.190 24 72 15 2017 FEB 25 04:25-07:00 173, 28 0.202 22 55 12 2017 FEB 26 04:15-06:50 172, 27 0.215 21 44 10 2017 FEB 27 04:05-06:40 170, 27 0.228 20 35 8 2017 FEB 28 03:55-06:35 169, 26 0.241 19 28 6 2017 MAR 01 03:45-06:25 168, 26 0.254 18 23 5 2017 MAR 02 03:35-06:20 167, 26 0.267 18 19 4 2017 MAR 03 03:25-06:10 166, 25 0.281 17 16 4 2017 MAR 04 03:20-06:05 165, 25 0.295 16 13 3 Assumptions: Ptx = 900 kW, Tsys = 25 K.
2015 BN509 Goldstone Assumptions: D = 0.24 km, P = 5.9 h, OC albedo = 0.1 B. D. Warner later revised the rotation period to 5.7 h. DOY start date window RA, dec dist runs SNR/day SNR/run 33 2017 Feb 02 06:37-16:44 191, +14 0.073 245 19 1 34 2017 Feb 03 06:53-17:07 197, +15 0.064 282 32 2 35 2017 Feb 04 07:16-17:39 204, +16 0.056 326 55 3 36 2017 Feb 05 07:48-18:21 215, +16 0.049 375 93 5 37 2017 Feb 06 08:33-19:14 228, +17 0.044 420 140 8 38 2017 Feb 07 09:32-20:12 244, +16 0.042 442 180 9 39 2017 Feb 08 10:39-21:06 260, +14 0.042 427 170 9 Scheduled Cancelled due to equipment problems 40 2017 Feb 09 11:41-21:50 275, +12 0.046 383 120 6 41 2017 Feb 10 12:33-22:21 286, +9 0.052 330 71 4 42 2017 Feb 11 13:12-22:43 295, +7 0.060 281 40 3 43 2017 Feb 12 13:41-22:59 301, +5 0.069 241 23 2 44 2017 Feb 13 14:02-23:09 306, +3 0.078 209 14 1 Goldstone SNRs assume Tsys = 17 K and Ptx = 450 kW 2015 BN509 Arecibo start date window RA, dec dist runs SNR/day SNR/run 2017 Jan 26 06:20-08:47 172, +10 0.147 30 14 3 2017 Jan 27 06:21-08:49 174, +10 0.136 32 19 3 2017 Jan 28 06:23-08:53 175, +11 0.126 35 26 5 2017 Jan 29 06:25-08:57 177, +11 0.115 39 37 6 2017 Jan 30 06:30-09:03 180, +11 0.105 44 55 9 2017 Jan 31 06:36-09:12 182, +12 0.094 49 84 13 2017 Feb 01 06:45-09:23 186, +13 0.084 56 130 19 2017 Feb 02 06:57-09:38 190, +14 0.075 64 220 28 2017 Feb 03 07:14-09:58 196, +14 0.066 74 370 45 2017 Feb 04 07:39-10:25 203, +15 0.057 85 640 72 2017 Feb 05 08:13-11:02 213, +16 0.050 100 1100 110 Scheduled 2017 Feb 06 09:00-11:51 226, +17 0.045 112 1700 170 Scheduled 2017 Feb 07 09:58-12:49 242, +16 0.042 120 2200 210 Scheduled 2017 Feb 08 11:01-13:49 258, +15 0.042 115 2200 210 Scheduled 2017 Feb 09 12:00-14:40 273, +12 0.046 103 1500 160 Scheduled 2017 Feb 10 12:49-15:17 285, +9 0.051 85 920 100 2017 Feb 11 13:27-15:42 294, +7 0.059 68 510 65 2017 Feb 12 13:56-15:58 300, +5 0.067 53 270 41 2017 Feb 13 14:19-16:08 305, +4 0.077 42 150 26 2017 Feb 14 14:38-16:13 309, +2 0.087 33 81 16 2017 Feb 15 14:53-16:16 313, +1 0.097 25 45 10 2017 Feb 16 15:05-16:16 315, +1 0.107 19 26 6 2017 Feb 17 15:16-16:14 317, 0 0.118 15 15 4 Arecibo SNRs assume Tsys = 25 K and Ptx = 900 kW
2017 BW Goldstone Assumptions: D = 70 meters, P = 15 hours, and OC albedo = 0.1 <-- Monostatic--> DSS14/DSS13 DSS14/GBT DSS13/Arecibo wk DOY start date window RA, dec dist runs SNR/day SNR/run SNR/RTT SNR/RTT SNR/RTT 5 32 2017 Feb 01 04:37-12:44 145, -5 0.047 308 23 1 5 33 2017 Feb 02 04:34-12:45 146, -5 0.045 331 30 2 5 34 2017 Feb 03 04:31-12:46 146, -4 0.042 357 40 2 5 35 2017 Feb 04 04:29-12:49 147, -3 0.039 387 53 3 5 36 2017 Feb 05 04:26-12:52 148, -2 0.036 422 73 4 6 37 2017 Feb 06 04:24-12:57 150, -1 0.033 464 100 5 10 6 38 2017 Feb 07 04:22-13:04 151, 0 0.030 513 140 7 14 Overlapped 2017 BQ6 0425-0550 6 39 2017 Feb 08 04:21-13:12 153, +1 0.028 573 210 10 3 20 6 40 2017 Feb 09 04:20-13:23 155, +3 0.025 646 320 14 5 28 6 41 2017 Feb 10 04:19-13:37 158, +6 0.023 736 490 20 7 40 4 6 42 2017 Feb 11 04:20-13:55 161, +8 0.020 848 790 29 * 10 58 6 Scheduled at DSS-14 6 43 2017 Feb 12 04:23-14:19 165, +12 0.018 988 1300 44 * 15 88 9 Scheduled at DSS-14 7 44 2017 Feb 13 04:29-14:51 171, +16 0.016 1161 2200 68 * 23 140 14 Scheduled at DSS-14 7 45 2017 Feb 14 04:40-15:34 178, +22 0.014 1367 3500 100 * 33 200 20 Scheduled at DSS-14 7 46 2017 Feb 15 04:58-16:32 189, +28 0.013 1589 5300 150 50 300 30 7 47 2017 Feb 16 05:27-17:43 202, +34 0.012 1776 7000 180 60 360 36 7 48 2017 Feb 17 06:12-19:01 219, +39 0.012 1856 7300 180 * 60 360 36 Scheduled at DSS-14 and DSS-13 7 49 2017 Feb 18 07:10-20:11 237, +41 0.013 1791 5900 150 * 50 300 30 Scheduled at DSS-14 and DSS-13 7 50 2017 Feb 19 08:11-21:03 252, +41 0.014 1623 4000 110 37 220 22 8 51 2017 Feb 20 09:03-21:37 264, +39 0.016 1424 2500 73 * 24 150 15 Scheduled at DSS-14 8 52 2017 Feb 21 09:43-22:00 273, +37 0.018 1240 1500 48 16 96 10 8 53 2017 Feb 22 10:14-22:14 280, +35 0.020 1083 950 32 11 64 6 8 54 2017 Feb 23 10:36-22:23 285, +33 0.022 954 600 21 7 42 4 8 55 2017 Feb 24 10:53-22:30 288, +31 0.025 847 390 15 * 5 30 Scheduled at DSS-14 8 56 2017 Feb 25 11:06-22:33 291, +30 0.027 760 260 11 3 22 8 57 2017 Feb 26 11:16-22:35 294, +28 0.030 687 180 8 * 16 Scheduled at DSS-14 9 58 2017 Feb 27 11:24-22:36 296, +27 0.032 626 130 6 12 9 59 2017 Feb 28 11:29-22:37 298, +26 0.035 574 95 4 9 60 2017 Mar 01 11:34-22:36 299, +25 0.038 530 71 3 9 61 2017 Mar 02 11:37-22:35 300, +25 0.040 491 54 3 9 62 2017 Mar 03 11:40-22:34 301, +24 0.043 457 41 2 9 63 2017 Mar 04 11:41-22:32 302, +23 0.046 428 32 2 9 64 2017 Mar 05 11:43-22:30 303, +23 0.048 402 25 1 10 65 2017 Mar 06 11:44-22:28 304, +22 0.051 378 20 1 Goldstone SNRs assume Ptx = 450 kW and Tsys = 17 K. 2017 BW will move 122 deg during Goldstone tracks between Feb. 11 - 26. 2017 BW Arecibo Arecibo/DSS-13 Arecibo/GBT start date window RA, dec dist runs SNR/day SNR/run SNR/RTT SNR/RTT 2017 Feb 07 04:55-05:48 151, 0 0.031 53 780 110 4 35 2017 Feb 08 04:45-06:04 153, +1 0.028 85 1500 180 6 50 2017 Feb 09 04:38-06:20 155, +3 0.025 121 2900 300 8 70 2017 Feb 10 04:35-06:36 157, +5 0.023 164 5100 430 12 100 2017 Feb 11 04:35-06:54 161, +8 0.020 206 8800 650 17 140 2017 Feb 12 04:40-07:14 165, +11 0.018 254 15000 990 26 220 2017 Feb 13 04:52-07:37 170, +16 0.016 306 26000 1500 41 340 2017 Feb 14 05:15-08:04 177, +21 0.014 355 42000 2300 Scheduled 60 500 06:00-08:00 UT 2017 Feb 15 05:56-08:33 187, +27 0.013 382 60000 3200 Scheduled 90 750 06:15-08:00 UT 2017 Feb 16 07:05-09:00 201, +34 0.012 277 61000 4100 110 900 ...too far north for several days for Arecibo to track... 2017 Feb 21 12:05-12:57 272, +37 0.017 91 7400 810 29 240 2017 Feb 22 12:06-13:41 279, +35 0.020 148 7400 670 19 160 2017 Feb 23 12:11-14:09 284, +33 0.022 166 5900 510 13 100 2017 Feb 24 12:16-14:27 288, +31 0.024 163 4200 360 9 75 2017 Feb 25 12:19-14:40 291, +30 0.027 162 3000 250 7 55 2017 Feb 26 12:22-14:50 294, +29 0.029 152 2200 180 5 40 2017 Feb 27 12:24-14:56 296, +27 0.032 147 1600 140 30 2017 Feb 28 12:25-15:01 297, +26 0.035 137 1200 100 20 2017 Mar 01 12:26-15:04 299, +26 0.037 128 870 81 15 2017 Mar 02 12:26-15:06 300, +25 0.040 123 660 63 2017 Mar 03 12:26-15:08 301, +24 0.043 115 510 50 2017 Mar 04 12:25-15:08 302, +23 0.045 108 400 40 2017 Mar 05 12:25-15:09 303, +23 0.048 102 320 33 2017 Mar 06 12:24-15:08 304, +22 0.051 98 260 27 2017 Mar 07 12:22-15:08 305, +22 0.054 93 210 22 2017 Mar 08 12:21-15:07 306, +21 0.057 88 170 19 2017 Mar 09 12:20-15:05 306, +21 0.059 84 140 16 2017 Mar 10 12:18-15:04 307, +20 0.062 80 120 14 2017 Mar 11 12:16-15:02 307, +20 0.065 77 97 12 2017 Mar 12 12:15-15:01 308, +20 0.068 74 82 10 2017 Mar 13 12:13-14:59 308, +19 0.071 70 69 9 2017 Mar 14 12:11-14:57 309, +19 0.074 64 58 7 2017 Mar 15 12:09-14:55 310, +19 0.076 62 49 7 2017 Mar 16 12:07-14:53 310, +18 0.079 58 42 6 2017 Mar 17 12:05-14:51 310, +18 0.082 56 37 5 2017 Mar 18 12:03-14:49 311, +18 0.085 54 32 4 2017 Mar 19 12:01-14:47 311, +18 0.088 54 28 4 2017 Mar 20 12:00-14:45 312, +17 0.091 55 25 4 2017 Mar 21 11:58-14:42 312, +17 0.094 53 22 3 2017 Mar 22 11:56-14:40 313, +17 0.097 51 20 3 Arecibo SNRs assume that Ptx = 900 kW and Tsys = 25 K
2013 WT67 Goldstone SNRs Assumptions: D = 0.65 km, P = 135.00 h, OC radar albedo = 0.1 w DOY start date window RA, dec dist runs SNR/day SNR/run 05 35-36 2017 Feb 4- 5 16:36-04:35 357, +35 0.154 149 18 2 05 36-37 2017 Feb 5- 6 16:44-04:41 0, +35 0.148 153 20 2 Overlaps 2017 BQ6 2225-0155 Feb. 5-6 06 37-38 2017 Feb 6- 7 16:54-04:48 3, +34 0.143 158 23 2 Overlaps 2017 BQ6 0240-0445 Feb. 7 06 38-39 2017 Feb 7- 8 17:05-04:55 6, +34 0.138 163 27 2 06 39-40 2017 Feb 8- 9 17:17-05:02 10, +33 0.134 167 30 3 06 40-41 2017 Feb 9-10 17:30-05:10 13, +32 0.130 170 34 3 06 41-42 2017 Feb 10-11 17:44-05:17 17, +30 0.126 174 38 3 06 42-43 2017 Feb 11-12 17:58-05:24 21, +29 0.123 176 42 4 06 43-44 2017 Feb 12-13 18:14-05:30 25, +27 0.120 178 46 4 Scheduled 07 44-45 2017 Feb 13-14 18:30-05:37 28, +25 0.117 179 50 4 07 45-46 2017 Feb 14-15 18:46-05:43 32, +23 0.116 179 53 4 07 46-47 2017 Feb 15-16 19:03-05:48 36, +21 0.114 178 55 5 CANCELLED 07 47-48 2017 Feb 16-17 19:20-05:53 40, +19 0.114 176 56 5 07 48-49 2017 Feb 17-18 19:37-05:57 43, +17 0.113 173 56 5 Scheduled. Overlaps 2017 BW 07 49-50 2017 Feb 18-19 19:54-06:01 47, +14 0.114 169 55 5 Scheduled. Overlaps 2017 BW 07 50-51 2017 Feb 19-20 20:10-06:04 50, +12 0.115 164 52 4 CANCELLED 08 51-52 2017 Feb 20-21 20:26-06:06 54, +9 0.116 158 49 4 Scheduled 08 52-53 2017 Feb 21-22 20:42-06:07 57, +7 0.119 152 45 4 Scheduled Overlaps 2017 BY93 05:35-06:05 UT 08 53-54 2017 Feb 22-23 20:57-06:08 60, +5 0.121 146 41 4 08 54-55 2017 Feb 23-24 21:11-06:09 62, +2 0.124 139 36 3 08 55-56 2017 Feb 24-25 21:24-06:09 65, 0 0.128 132 32 3 08 56-57 2017 Feb 25-26 21:37-06:09 68, -2 0.131 126 28 3 08 57-58 2017 Feb 26-27 21:48-06:08 70, -4 0.136 120 24 2 09 58-59 2017 Feb 27-28 21:59-06:07 72, -5 0.140 113 21 2 Goldstone SNRs assume Ptx = 430 kW. 2013 WT67 Arecibo SNRs start date window RA, dec dist runs SNR/day SNR/run 2017 Feb 2 18:22-19:39 351, +36 0.166 14 69 20 2017 Feb 3 18:26-19:48 354, +36 0.160 15 83 23 2017 Feb 4 18:30-19:58 357, +35 0.155 16 100 27 2017 Feb 5 18:35-20:09 0, +35 0.149 18 120 32 2017 Feb 6 18:39-20:21 3, +34 0.144 21 160 38 2017 Feb 7 18:44-20:34 6, +34 0.139 23 190 45 2017 Feb 8 18:49-20:48 9, +33 0.135 26 240 52 2017 Feb 9 18:55-21:03 13, +32 0.130 29 290 58 Scheduled 2017 Feb 10 19:01-21:18 16, +31 0.127 32 340 64 2017 Feb 11 19:08-21:33 20, +29 0.123 35 390 71 2017 Feb 12 19:15-21:48 24, +28 0.120 37 450 77 Scheduled 2017 Feb 13 19:23-22:02 28, +26 0.118 39 500 83 2017 Feb 14 19:32-22:16 32, +24 0.116 41 540 87 2017 Feb 15 19:42-22:28 35, +22 0.114 42 570 91 Scheduled 2017 Feb 16 19:52-22:40 39, +19 0.114 42 580 93 Scheduled 2017 Feb 17 20:04-22:49 43, +17 0.113 43 590 94 Scheduled 2017 Feb 18 20:16-22:58 46, +15 0.114 42 580 93 Scheduled 2017 Feb 19 20:29-23:04 50, +12 0.115 40 550 90 Scheduled 2017 Feb 20 20:42-23:09 53, +10 0.116 37 500 87 Scheduled 2017 Feb 21 20:57-23:11 56, +7 0.118 33 440 82 2017 Feb 22 21:13-23:11 59, +5 0.121 29 370 76 2017 Feb 23 21:31-23:08 62, +3 0.124 23 280 66 2017 Feb 24 21:52-23:00 65, +1 0.127 16 190 50 Assumptions: Ptx = 650 kW, Tsys = 23 K
2017 BQ6 Goldstone SNRs Assumptions: D = 0.17 km, P = 2.2 h, OC albedo = 0.1 JPL/Horizons solution 4 DOY start date window RA, dec dist runs SNR/day SNR/run 30 2017 Jan 30 00:59-10:36 99, +10 0.055 318 22 1 31 2017 Jan 31 00:46-10:35 98, +12 0.049 366 35 2 32 2017 Feb 01 00:30-10:34 97, +15 0.043 428 60 3 33 2017 Feb 02 00:12-10:34 96, +19 0.037 513 110 5 33-34 2017 Feb 02-03 23:48-10:34 93, +24 0.031 630 210 9 34-35 2017 Feb 03-04 23:15-10:35 90, +31 0.026 798 450 17 35-36 2017 Feb 04-05 22:27-10:36 84, +41 0.022 1040 990 34 36-37 2017 Feb 05-06 21:06-10:27 72, +54 0.018 1380 2000 59 Scheduled 37-38 2017 Feb 06-07 18:31-09:14 44, +67 0.017 1798 3000 79 Scheduled 38-39 2017 Feb 07-08 14:26-05:27 353, +69 0.017 1829 2800 72 39-40 2017 Feb 08-09 12:37-02:42 321, +59 0.020 1371 1600 47 Scheduled...but cancelled due to equipment problems 40-41 2017 Feb 09-10 12:20-01:18 307, +49 0.023 1026 750 25 41-42 2017 Feb 10-11 12:17-00:30 301, +40 0.028 795 340 13 42 2017 Feb 11 12:15-23:58 297, +34 0.033 637 170 7 Scheduled 43 2017 Feb 12 12:14-23:35 295, +30 0.039 527 88 4 Scheduled 44 2017 Feb 13 12:13-23:17 294, +27 0.045 446 50 3 45 2017 Feb 14 12:11-23:03 293, +24 0.051 385 30 2 Scheduled...but not observed in favor of 1992 FE 46 2017 Feb 15 12:09-22:51 292, +22 0.057 338 19 1 2017 BQ6 Arecibo SNRs start date window RA, dec dist runs SNR/day SNR/run 2017 Jan 22 02:27-03:59 103, +2 0.107 25 12 3 2017 Jan 23 02:20-03:57 103, +3 0.101 29 17 3 2017 Jan 24 02:11-03:55 102, +3 0.094 33 23 5 2017 Jan 25 02:03-03:52 102, +4 0.087 37 33 6 2017 Jan 26 01:54-03:50 102, +5 0.081 43 47 8 Discovery date 2017 Jan 27 01:45-03:48 101, +6 0.075 50 68 10 2017 Jan 28 01:35-03:46 101, +7 0.068 57 100 14 2017 Jan 29 01:25-03:43 100, +8 0.062 68 150 20 2017 Jan 30 01:14-03:40 99, +10 0.056 80 250 29 2017 Jan 31 01:03-03:37 99, +12 0.049 94 400 44 2017 Feb 01 00:51-03:32 97, +15 0.043 112 700 69 2017 Feb 02 00:39-03:24 96, +18 0.038 126 1200 110 2017 Feb 03 00:28-03:10 94, +23 0.032 158 2400 200 2017 Feb 04 00:22-02:41 91, +30 0.027 162 4500 370 ...out of the beam for a few days... 2017 Feb 11 14:07-15:38 298, +35 0.033 86 1300 160 2017 Feb 12 13:31-15:46 295, +31 0.038 107 1000 110 2017 Feb 13 13:12-15:44 294, +27 0.044 104 630 65 2017 Feb 14 12:59-15:39 293, +25 0.050 96 390 41 2017 Feb 15 12:50-15:34 292, +23 0.056 88 250 28 2017 Feb 16 12:43-15:28 291, +21 0.063 80 160 19 2017 Feb 17 12:37-15:22 291, +19 0.069 72 110 14 2017 Feb 18 12:31-15:17 290, +18 0.075 62 76 10 2017 Feb 19 12:26-15:11 290, +17 0.081 61 57 8 2017 Feb 20 12:22-15:06 290, +16 0.088 56 42 6 2017 Feb 21 12:18-15:01 290, +16 0.094 52 32 5 2017 Feb 22 12:14-14:56 289, +15 0.101 48 24 4 2017 Feb 23 12:11-14:51 289, +14 0.107 45 19 3 2017 Feb 24 12:07-14:46 289, +14 0.113 42 15 2 2017 Feb 25 12:04-14:41 289, +13 0.120 39 12 2 Arecibo SNRs assume Tsys = 25 K and Ptx = 900 kW 2017 BQ6 does not overlap any existing Arecibo tracks for Comet HMP, 2013 WT67, or 2015 BN509.
2013 FK Goldstone SNRs Assumptions: D = 0.1 km, P = 4 h, OC albedo = 0.1 DOY start date window RA, dec dist runs SNR/day SNR/run 27-28 2017 Jan 27-28 19:03-07:29 29, +42 0.047 483 27 1 28-29 2017 Jan 28-29 18:45-07:11 26, +42 0.043 535 40 2 29-30 2017 Jan 29-30 18:24-06:50 22, +43 0.038 597 62 3 30-31 2017 Jan 30-31 18:00-06:23 16, +43 0.034 671 100 4 31-32 2017 Jan 31-01 17:31-05:49 10, +42 0.030 759 160 7 32-33 2017 Feb 01-02 16:58-05:05 1, +41 0.026 858 280 10 33-34 2017 Feb 02-03 16:19-04:09 350, +39 0.023 962 460 16 34-35 2017 Feb 03-04 15:38-03:01 338, +35 0.020 1049 730 25 35-36 2017 Feb 04-05 14:57-01:44 324, +28 0.019 1085 1000 34 36-37 2017 Feb 05-06 14:21-00:26 311, +19 0.018 1040 1100 37 Scheduled: overlaps BQ6 from 2225-0025 37 2017 Feb 06 13:54-23:13 300, +10 0.019 917 910 32 38 2017 Feb 07 13:36-22:08 290, +1 0.021 759 580 23 39 2017 Feb 08 13:24-21:13 282, -6 0.024 609 330 15 Overlaps HMP, BN509, & BQ6. Currently scheduled. 40 2017 Feb 09 13:15-20:26 276, -12 0.027 487 180 9 41 2017 Feb 10 13:10-19:47 272, -16 0.031 391 97 5 42 2017 Feb 11 13:06-19:14 268, -19 0.035 319 55 3 43 2017 Feb 12 13:03-18:46 265, -21 0.039 264 32 2 44 2017 Feb 13 13:00-18:22 262, -23 0.044 222 20 1 Arecibo SNRs start date window RA, dec dist runs SNR/day SNR/run 2017 Feb 03 17:30-18:52 340, +36 0.021 128 4700 450 2017 Feb 04 16:05-18:22 326, +29 0.019 239 11000 750 2017 Feb 05 14:56-17:36 313, +21 0.018 276 14000 880 2017 Feb 06 14:11-16:37 301, +11 0.019 252 12000 770 2017 Feb 07 13:56-15:23 291, +2 0.021 134 5400 510
2017 BY93 Goldstone SNRs Assumptions: D = 0.08 km, P = 0.5 h, OC albedo = 0.1 DOY start date window RA, dec dist runs SNR/day SNR/run 51 2017 Feb 20 04:52-13:15 169, -3 0.040 374 10 1 52 2017 Feb 21 05:04-13:18 172, -5 0.029 505 37 2 53 2017 Feb 22 05:33-13:32 179, -8 0.018 767 230 9 Scheduled 54 2017 Feb 23 07:37-14:46 207, -20 0.008 1345 4700 140 55 2017 Feb 24 14:39-21:57 311, -16 0.011 1110 1600 51 56 2017 Feb 25 15:18-23:11 327, -8 0.022 649 120 5 57 2017 Feb 26 15:27-23:33 332, -6 0.032 447 24 1 Petr Pravec reported a rotation period of 0.8225 h that, all else being equal, increases the estimated SNRs by 28%. 2017 BY93 Arecibo SNRs ...too far south for Arecibo to observe...
Track Assignments
DOY BOA BOT EOT EOA 036 2155 2325 0155 0225 DSS-14 GSSR AST 2017 BQ6/2013 FK 038 0210 0340 0550 0620 DSS-14 GSSR AST 2017 BQ6 039 1800 1830 2100 2130 DSS-14 GSSR COMET 45P/2015 BN509/2017 BQ6 CANCELLED DUE TO EQUIPMENT PROBLEMS 042 0250 0420 0850 0910 DSS-14 GSSR AST 2017 BW 042 1805 1935 2030 2100 DSS-14 GSSR COMET 45P/2017 BQ6 Shortened due to a request from the New Horizons mission 043 0435 0605 0855 0925 DSS-14 GSSR AST 2017 BW 043 1300 1330 1745 1815 DSS-14 GSSR COMET 45P/2017 BW/2017 BQ6 044 0300 0430 1015 1045 DSS-14 GSSR COMET 45P/2017 BW We cancelled 2013 WT67 but retained the others 045 0310 0440 0555 0625 DSS-14 GSSR AST 2017 BW 045 1755 1925 2105 2135 DSS-14 GSSR 1992 FE/2017 BQ6 047 0115 0245 0515 0545 DSS-14 GSSR 2013 WT67 CANCELLED 048 0220 0350 0930 1000 DSS-14 GSSR 13 WT67 / 17 BW 048 0530 0615 0930 1000 DSS-13 GSSR 2017 BW DSS-13 bistatic with DSS-14 049 0145 0315 1000 1030 DSS-14 GSSR 13 WT67 / 17 BW 049 0625 0710 1000 1030 DSS-13 GSSR 2017 BW DSS-13 bistatic with DSS-14 051 0225 0355 0600 0630 DSS-14 GSSR 2013 WT67 CANCELLED 052 0115 0245 0510 0540 DSS-14 GSSR 2013 WT67 053 0205 0335 0805 0835 DSS-14 GSSR 2013 WT67 / 2017 BY93 055 1245 1315 DSS-14 GSSR 2017 BW 057 1545 1715 2045 2115 DSS-14 GSSR 2017 BW Goldstone Transmit Schedule in more detail: UT UT PST Round-trip wk DOY Date Target TX Window TX Window time (sec) SNR/RTT Observer 6 36 Feb 05-06 2017 BQ6 2225-0155 1425-1755 Feb 5 18 59 SPN 2013 FK 2225-0025 1425-1625 Feb 5 18 8 SPN 6 38 Feb 07 2017 BQ6 0240-0550 1840-2150 Feb 6 17 79 MB Briefly overlaps 2017 BW 6 39 Feb 08 Comet HMP 1830-2100 1030-1300 Feb 8 89 7 SPN CANCELLED DUE TO EQUIPMENT PROBLEMS 2016 BN509 1830-2100 1030-1300 Feb 8 42 9 SPN CANCELLED DUE TO EQUIPMENT PROBLEMS 2017 BQ6 1830-2100 1030-1300 Feb 8 19 47 SPN CANCELLED DUE TO EQUIPMENT PROBLEMS 6 42 Feb 11 2017 BW 0420-0850 2020-0050 Feb 10 20 29 04:30 SPN New track 6 42 Feb 11 Comet HMP 1835-2030 1035-1215 Feb 11 83 9 MB Shortened due to the New Horizons mission request 2017 BQ6 1835-2030 1035-1215 Feb 11 33 7 MB Shortened due to the New Horizons mission request 6 43 Feb 12 2017 BW 0505-0855 2105-0055 Feb 11 18 44 03:50 New track 6 43 Feb 12 Comet HMP 1330-1745 0530-0945 Feb 12 84 9 MB 2017 BW 1330-1420 0530-0620 Feb 12 18 44 00:50 MB VLBA spckle 1350-1420 2017 BQ6 1330-1745 0530-0945 Feb 12 39 4 MB 6 44 Feb 13 2013 WT67 0330-0525 1930-2125 Feb 12-13 120 4 SPN Do this only if we're ready to transmit by 0330. 2017 BW 0430-1015 2030-0215 Feb 12-13 16 68 05:45 SPN Comet HMP 0755-1015 2355-0215 Feb 12-13 87 8 SPN We skipped the comet in favor of 2017 BW 7 45 Feb 14 2017 BW 0440-0555 2040-2155 Feb 13 14 100 01:15 SPN 7 45 Feb 14 1992 FE 1825-2105 1025-1305 Feb 14 74 8 LB 2017 BQ6 1825-2105 1025-1305 Feb 14 51 2 LB 7 47 Feb 16 2013 WT67 0145-0515 1745-2115 Feb 15 114 5 SPN CANCELLED 7 48 Feb 17 2013 WT67 0250-0550 1850-2150 Feb 16 113 5 MB 2017 BW 0615-0930 2215-0130 Feb 16-17 12 180 03:15 MB VLBA speckle 0900-0930. DSS-13 scheduled 7 49 Feb 18 2013 WT67 0215-0555 1815-2155 Feb 17 113 5 SPN 2017 BW 0710-1000 2310-0200 Feb 17-18 13 150 02:50 SPN DSS-13 scheduled 8 51 Feb 20 2013 WT67 0255-0600 1855-2200 Feb 19 115 4 LB CANCELLED 8 51 Feb 20 2017 BW 0905-0945 0105-0145 Feb 20 16 73 00:40 New track 8 52 Feb 21 2013 WT67 0145-0510 1745-2110 Feb 20 116 4 MB 8 53 Feb 22 2013 WT67 0235-0605 1835-2205 Feb 21 119 4 SPN 2017 BY93 0535-0805 2135-0005 Feb 21-22 18 9 SPN 8 55 Feb 24 2017 BW 1815-2045 1015-1245 Feb 24 25 15 02:30 SPN New track 8 57 Feb 26 2017 BW 1615-2045 0815-1245 Feb 26 30 8 04:30 SPN New track (this might be cancelled) NOTE: The TX times above assume that we can start transmitting 30 min into pre-cal. Arecibo Schedules: Feb 5 2015 BN509 0813-1102 Feb 6 2015 BN509 0900-1151 Feb 7 2015 BN509 0958-1249 (Track overlaps view period for Comet HMP from 1235-1249) Feb 8 2015 BN509 1101-1349 (Track overlaps view period for Comet HMP from 1200-1349) Feb 9 2015 BN509 1200-1440 (Track overlaps view period for Comet HMP from 1200-1415) Feb 9 2013 WT67 1855-2103 Feb 10 Comet HMP 1050-1340 Feb 11 Comet HMP 1015-1255 Feb 12 Comet HMP 0940-1210 Feb 12 2013 WT67 1915-2148 Feb 13 Comet HMP 0905-1120 Feb 14 2017 BW 0600-0800 Feb 14 Comet HMP 0830-1040 Feb 15 2017 BW 0615-0800 Feb 15 Comet HMP 0755-1000 Feb 15 2013 WT67 1942-2228 Feb 16 Comet HMP 0725-0930 Feb 16 2013 WT67 1952-2240 Feb 17 Comet HMP 0655-0900 Feb 17 2013 WT67 2004-2249 Feb 18 2013 WT67 2016-2258 Feb 19 2013 WT67 2029-2304 Feb 20 2013 WT67 2042-2309
Uncertainties
45P/Honda-Mrkos-Pajdusakova JPL/Horizons solution #K162/3, # obs: 1372 (2011-2017): 2017 Jan 31 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-04 00:00 *m 295.34324 1.23404 0.12822192306658 4.853 5.52 20.05 0.002952 2017-Feb-05 00:00 *m 291.75398 3.55367 0.11829700395541 5.363 6.03 21.90 0.002976 2017-Feb-06 00:00 *m 287.53860 6.24095 0.10918511642685 5.939 6.61 24.02 0.002994 2017-Feb-07 00:00 *m 282.57294 9.32500 0.10106815387754 6.589 7.30 26.54 0.002999 2017-Feb-08 00:00 *m 276.72814 12.79629 0.09416972104456 7.310 8.15 29.62 0.002980 2017-Feb-09 00:00 *m 269.89679 16.57406 0.08874541617444 8.083 9.20 33.42 0.002925 2017-Feb-10 00:00 * 262.04079 20.47584 0.08505452228423 8.854 10.40 37.81 0.002825 2017-Feb-11 00:00 * 253.25648 24.21765 0.08331094458784 9.533 11.58 42.08 0.002679 2017-Feb-12 00:00 * 243.82618 27.47483 0.08362645477540 10.011 12.42 45.13 0.002500 2017-Feb-13 00:00 * 234.20156 29.99249 0.08597472138637 10.213 12.68 46.10 0.002313 2017-Feb-14 00:00 * 224.89206 31.67531 0.09019926481638 10.133 12.35 44.90 0.002148 2017-Feb-15 00:00 * 216.31530 32.59221 0.09605992554365 9.827 11.59 42.12 0.002027 2017-Feb-16 00:00 * 208.70667 32.90837 0.10328962712709 9.375 10.60 38.54 0.001960 2017-Feb-17 00:00 * 202.12388 32.80738 0.11163685951778 8.852 9.58 34.82 0.001945 2017-Feb-18 00:00 * 196.50636 32.44459 0.12088685624079 8.311 8.62 31.32 0.001972 2017-Feb-19 00:00 * 191.73785 31.93334 0.13086657594966 7.785 7.77 28.23 0.002029 2017-Feb-20 00:00 * 187.68868 31.34908 0.14144114031650 7.292 7.04 25.58 0.002107 2017-Feb-21 00:00 * 184.23754 30.73895 0.15250723173826 6.838 6.42 23.34 0.002198 JPL/Horizons solution K162/2, # obs: 1179 (2011-2016): 2016 Dec 08 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-04 00:00 *m 295.34951 1.23405 0.12822526992555 14.104 17.12 62.21 0.003581 2017-Feb-05 00:00 *m 291.76083 3.55369 0.11829928187233 15.395 19.16 69.63 0.003291 2017-Feb-06 00:00 *m 287.54605 6.24101 0.10918619223407 16.736 21.45 77.96 0.003077 2017-Feb-07 00:00 *m 282.58098 9.32520 0.10106788370498 18.044 23.85 86.66 0.003002 2017-Feb-08 00:00 *m 276.73671 12.79675 0.09416796640723 19.183 26.02 94.57 0.003129 2017-Feb-09 00:00 *m 269.90572 16.57497 0.08874207287489 19.963 27.47 99.84 0.003476 2017-Feb-10 00:00 * 262.04976 20.47741 0.08504955988295 20.192 27.60 100.31 0.003995 2017-Feb-11 00:00 * 253.26501 24.22002 0.08330444250201 19.761 26.04 94.64 0.004590 2017-Feb-12 00:00 * 243.83373 27.47803 0.08361861166772 18.733 22.99 83.54 0.005161 2017-Feb-13 00:00 * 234.20767 29.99634 0.08596582369773 17.331 19.19 69.75 0.005634 2017-Feb-14 00:00 * 224.89650 31.67954 0.09018962784326 15.824 15.58 56.62 0.005976 2017-Feb-15 00:00 * 216.31813 32.59651 0.09604983819378 14.409 12.75 46.34 0.006189 2017-Feb-16 00:00 * 208.70812 32.91251 0.10327932141343 13.170 10.82 39.33 0.006296 2017-Feb-17 00:00 * 202.12425 32.81123 0.11162650491959 12.113 9.59 34.85 0.006326 2017-Feb-18 00:00 * 196.50594 32.44809 0.12087656828237 11.212 8.77 31.88 0.006303 2017-Feb-19 00:00 * 191.73688 31.93650 0.13085642914340 10.434 8.18 29.71 0.006249 2017-Feb-20 00:00 * 187.68734 31.35191 0.14143118018901 9.754 7.69 27.95 0.006178 2017-Feb-21 00:00 * 184.23596 30.74147 0.15249748419798 9.152 7.27 26.41 0.006098 2015 BN509 JPL/Horizons solution 23, # obs: 109 (2005-2017): 2017 January 26 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-04 00:00 *m 200.26527 15.04612 0.06024135213341 1.817 2.63 9.57 0.000303 2017-Feb-05 00:00 *m 208.98753 16.00757 0.05274259918744 2.042 2.88 10.47 0.000313 2017-Feb-06 00:00 *m 220.33318 16.72667 0.04673686366727 2.223 3.02 10.98 0.000348 2017-Feb-07 00:00 *m 234.38819 16.75961 0.04284996310665 2.305 2.89 10.51 0.000395 2017-Feb-08 00:00 *m 250.10358 15.66994 0.04167778632345 2.299 2.55 9.26 0.000432 2017-Feb-09 00:00 *m 265.36809 13.51290 0.04344521254019 2.271 2.37 8.61 0.000445 2017-Feb-10 00:00 * 278.38468 10.89015 0.04783713120799 2.227 2.37 8.63 0.000436 2017-Feb-11 00:00 * 288.62155 8.38997 0.05423319902802 2.139 2.34 8.49 0.000422 2017-Feb-12 00:00 * 296.42496 6.27086 0.06203317839890 2.015 2.23 8.10 0.000412 2017-Feb-13 00:00 * 302.37083 4.55615 0.07079356139125 1.879 2.10 7.64 0.000414 2017-Feb-14 00:00 * 306.96406 3.18304 0.08022130292855 1.746 1.99 7.22 0.000428 2017-Feb-15 00:00 * 310.57908 2.07675 0.09012985578496 1.623 1.89 6.88 0.000451 2017-Feb-16 00:00 * 313.47945 1.17388 0.10040107165668 1.514 1.82 6.62 0.000482 2017 BW JPL/Horizons solution 19, # obs: 307 (20 days) 2017 Feb 9 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-08 00:00 *m 152.32333 0.85916 0.02878907685659 0.572 68.37 248.50 0.026349 2017-Feb-09 00:00 *m 154.33701 2.56335 0.02615424562188 0.831 66.49 241.66 0.023903 2017-Feb-10 00:00 * 156.79386 4.64838 0.02359812276630 1.280 64.10 232.96 0.021534 2017-Feb-11 00:00 * 159.84480 7.22428 0.02114354934899 2.015 60.95 221.54 0.019265 2017-Feb-12 00:00 * 163.70927 10.43120 0.01882461618934 3.180 56.69 206.04 0.017129 2017-Feb-13 00:00 * 168.70975 14.43010 0.01669232382540 4.976 50.76 184.49 0.015176 2017-Feb-14 00:00 * 175.31498 19.35432 0.01482188696385 7.629 42.45 154.30 0.013478 2017-Feb-15 00:00 * 184.16214 25.16887 0.01331866815118 11.233 31.08 112.97 0.012133 2017-Feb-16 00:00 * 195.93818 31.39822 0.01231274447017 15.395 16.83 61.17 0.011262 2017-Feb-17 00:00 * 210.85288 36.90858 0.01192586989223 18.978 7.10 25.82 0.010976 2017-Feb-18 00:00 * 227.71255 40.33416 0.01221278924833 20.721 19.62 71.31 0.011318 2017-Feb-19 00:00 * 243.94932 41.17858 0.01312576547849 20.408 33.02 120.02 0.012236 2017-Feb-20 00:00 * 257.47968 40.12963 0.01454441085536 18.855 43.33 157.48 0.013611 2017-Feb-21 00:00 * 267.85544 38.19563 0.01633522073153 16.966 50.72 184.33 0.015319 2017-Feb-22 00:00 * 275.60824 36.05403 0.01838813511296 15.239 55.91 203.21 0.017258 2017-Feb-23 00:00 * 281.43670 34.01891 0.02062394739777 13.836 59.58 216.55 0.019359 JPL/Horizons solution 3, # obs: 56 (4 days): 2017 Jan 23 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-08 00:00 *m 152.27874 0.83227 0.02886395687812 925.127 753.74 2739.43 0.519675 2017-Feb-09 00:00 *m 154.27650 2.52539 0.02623666285789 1264.275 677.36 2461.83 0.539786 2017-Feb-10 00:00 * 156.71088 4.59465 0.02368727513554 1741.730 560.62 2037.54 0.557081 2017-Feb-11 00:00 * 159.72945 7.14808 0.02123816815166 2420.923 394.46 1433.64 0.569334 2017-Feb-12 00:00 * 163.54637 10.32329 0.01892266904138 3392.471 298.35 1084.35 0.572968 2017-Feb-13 00:00 * 168.47573 14.27892 0.01679054177887 4773.765 688.52 2502.41 0.562243 2017-Feb-14 00:00 * 174.97376 19.14912 0.01491509659797 6678.051 1511.01 5491.68 0.528370 2017-Feb-15 00:00 * 183.66266 24.91025 0.01339914135464 9103.308 2721.95 9892.79 0.459642 2017-Feb-16 00:00 * 195.22509 31.11886 0.01237038780639 11713.802 4156.57 15106.87 0.345536 2017-Feb-17 00:00 * 209.91365 36.68573 0.01195055436452 13726.643 5315.01 19317.16 0.188126 2017-Feb-18 00:00 * 226.64459 40.24862 0.01219841753663 14370.299 5660.28 20572.02 0.056378 2017-Feb-19 00:00 * 242.92393 41.24376 0.01307238667939 13615.515 5194.67 18879.80 0.202082 2017-Feb-20 00:00 * 256.60819 40.29598 0.01445633500578 12086.835 4368.30 15876.39 0.361407 2017-Feb-21 00:00 * 267.15406 38.40757 0.01621788850502 10404.222 3562.72 12948.53 0.495011 2017-Feb-22 00:00 * 275.04891 36.27667 0.01824631003104 8887.231 2923.14 10624.00 0.604809 2017-Feb-23 00:00 * 280.98537 34.23555 0.02046125095813 7627.451 2456.06 8926.43 0.696324 2013 WT67 JPL/Horizons solution 89, # obs: 387 (2013-2017): 2017 Jan 26 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-05 00:00 *m 357.30402 35.39193 0.15353625309982 0.575 0.32 1.15 0.001158 2017-Feb-06 00:00 *m 0.23986 34.91292 0.14818703622710 0.548 0.31 1.13 0.001166 2017-Feb-07 00:00 *m 3.33002 34.30669 0.14309788029602 0.514 0.30 1.10 0.001174 2017-Feb-08 00:00 *m 6.56951 33.55840 0.13829855616434 0.476 0.29 1.04 0.001181 2017-Feb-09 00:00 *m 9.94926 32.65353 0.13382101826657 0.434 0.27 0.97 0.001187 2017-Feb-10 00:00 * 13.45571 31.57894 0.12969904952861 0.392 0.24 0.89 0.001192 2017-Feb-11 00:00 * 17.07069 30.32396 0.12596767428954 0.358 0.23 0.83 0.001194 2017-Feb-12 00:00 * 20.77166 28.88179 0.12266230182708 0.343 0.24 0.86 0.001193 2017-Feb-13 00:00 * 24.53231 27.25088 0.11981758556292 0.359 0.27 1.00 0.001189 2017-Feb-14 00:00 * 28.32361 25.43614 0.11746602097852 0.410 0.35 1.26 0.001181 2017-Feb-15 00:00 * 32.11508 23.44974 0.11563635745828 0.490 0.44 1.61 0.001169 2017-Feb-16 00:00 * 35.87636 21.31132 0.11435195782163 0.590 0.55 2.00 0.001153 2017-Feb-17 00:00 * 39.57863 19.04737 0.11362928878996 0.699 0.66 2.42 0.001132 2017-Feb-18 00:00 * 43.19597 16.68982 0.11347674648336 0.811 0.77 2.81 0.001106 2017-Feb-19 00:00 * 46.70628 14.27399 0.11389399753160 0.919 0.87 3.17 0.001077 2017-Feb-20 00:00 * 50.09194 11.83612 0.11487194595800 1.019 0.95 3.47 0.001044 2017-Feb-21 00:00 * 53.33993 9.41103 0.11639333397026 1.106 1.02 3.70 0.001008 2017-Feb-22 00:00 * 56.44170 7.02999 0.11843387999384 1.180 1.06 3.84 0.000970 2017-Feb-23 00:00 * 59.39276 4.71938 0.12096377985906 1.239 1.08 3.92 0.000931 2017-Feb-24 00:00 * 62.19208 2.49986 0.12394936548586 1.283 1.08 3.92 0.000891 2017-Feb-25 00:00 * 64.84148 0.38631 0.12735473036036 1.314 1.06 3.86 0.000852 2017 BQ6 JPL/Horizons solution 7, # obs: 148 (6 days) 2017 Feb 2 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-03 00:00 *m 94.05526 22.59860 0.03238106017827 2.934 382.95 1391.80 0.081581 2017-Feb-04 00:00 *m 90.95371 29.21169 0.02705697862508 6.584 350.15 1272.62 0.068247 2017-Feb-05 00:00 *m 85.68143 38.66178 0.02235634870722 14.154 293.62 1067.14 0.056489 2017-Feb-06 00:00 *m 74.95244 51.77206 0.01874579876689 27.913 196.43 713.93 0.047454 * 2017-Feb-07 00:00 *m 46.74013 66.10219 0.01693185729509 45.400 58.50 212.63 0.042868 * 2017-Feb-08 00:00 *m 349.24035 68.17410 0.01748038068412 54.647 126.61 460.16 0.044164 * 2017-Feb-09 00:00 *m 317.37909 57.13102 0.02019942831486 51.139 248.11 901.75 0.050929 2017-Feb-10 00:00 * 305.56977 46.55028 0.02437409472877 42.974 323.02 1174.02 0.061374 2017-Feb-11 00:00 * 299.95784 38.79319 0.02939233280026 35.543 366.05 1330.39 0.073944 * 2017-Feb-12 00:00 * 296.75149 33.23314 0.03489421526904 29.896 391.39 1422.48 0.087731 * 2017-Feb-13 00:00 * 294.70116 29.15504 0.04068620895407 25.749 407.11 1479.62 0.102247 2017-Feb-14 00:00 * 293.29200 26.06971 0.04666248777998 22.675 417.42 1517.08 0.117226 2017-Feb-15 00:00 * 292.27586 23.66522 0.05276232858385 20.349 424.51 1542.87 0.132516 2017-Feb-16 00:00 * 291.51903 21.74163 0.05894897644541 18.545 429.60 1561.38 0.148024 2017-Feb-17 00:00 * 290.94324 20.16759 0.06519901579299 17.115 433.38 1575.10 0.163691 2017-Feb-18 00:00 * 290.49969 18.85426 0.07149679817587 15.958 436.25 1585.53 0.179477 2017-Feb-19 00:00 * 290.15638 17.73988 0.07783138067974 15.003 438.46 1593.56 0.195355 2017-Feb-20 00:00 * 289.89145 16.78040 0.08419476694305 14.203 440.17 1599.78 0.211303 2017-Feb-21 00:00 * 289.68944 15.94365 0.09058085574970 13.523 441.48 1604.55 0.227307 2017-Feb-22 00:00 * 289.53909 15.20569 0.09698479135542 12.939 442.46 1608.09 0.243351 2017-Feb-23 00:00 * 289.43200 14.54832 0.10340255148960 12.430 443.14 1610.55 0.259425 JPL/Horizons solution 5, # obs: 137 (4 days): 2017 Jan 31 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-03 00:00 *m 94.05558 22.59814 0.03237711213706 24.130 437.97 1591.77 0.085617 2017-Feb-04 00:00 *m 90.95434 29.21075 0.02705397560575 49.360 394.74 1434.68 0.071081 2017-Feb-05 00:00 *m 85.68284 38.65998 0.02235411295445 97.806 318.01 1155.80 0.058569 2017-Feb-06 00:00 *m 74.95624 51.76904 0.01874398558999 180.786 205.48 746.82 0.049164 * 2017-Feb-07 00:00 *m 46.75278 66.09944 0.01692989382128 279.234 211.31 767.99 0.044725 * 2017-Feb-08 00:00 *m 349.25646 68.17693 0.01747764960044 322.129 339.83 1235.11 0.048081 * 2017-Feb-09 00:00 *m 317.38547 57.13581 0.02019559263070 290.754 409.42 1488.01 0.058901 2017-Feb-10 00:00 * 305.57280 46.55457 0.02436906981571 236.718 442.65 1608.81 0.073575 2017-Feb-11 00:00 * 299.95962 38.79673 0.02938611461545 190.321 462.94 1682.53 0.089834 * 2017-Feb-12 00:00 * 296.75269 33.23607 0.03488681050084 156.031 476.44 1731.59 0.106838 * 2017-Feb-13 00:00 * 294.70203 29.15751 0.04067762202917 131.282 485.70 1765.26 0.124272 2017-Feb-14 00:00 * 293.29267 26.07184 0.04665272043906 113.172 492.26 1789.08 0.141988 2017-Feb-15 00:00 * 292.27640 23.66709 0.05275138091943 99.602 497.05 1806.50 0.159906 2017-Feb-16 00:00 * 291.51947 21.74331 0.05893684768349 89.175 500.66 1819.61 0.177974 2017-Feb-17 00:00 * 290.94361 20.16911 0.06518570475911 80.976 503.44 1829.72 0.196158 2017-Feb-18 00:00 * 290.50000 18.85565 0.07148230356598 74.393 505.62 1837.64 0.214434 2017-Feb-19 00:00 * 290.15665 17.74117 0.07781570122406 69.011 507.33 1843.88 0.232783 2017-Feb-20 00:00 * 289.89169 16.78161 0.08417790151313 64.540 508.68 1848.76 0.251190 2017-Feb-21 00:00 * 289.68965 15.94479 0.09056280343508 60.772 509.70 1852.49 0.269643 2013 FK JPL/Horizons solution 17, # obs: 90 (2013-2017) 2017 Feb 02 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-03 00:00 *m 349.46557 38.78539 0.02279336929728 11.144 6.17 22.42 0.001400 2017-Feb-04 00:00 *m 336.35796 34.22199 0.02017952798583 15.094 9.44 34.31 0.001150 2017-Feb-05 00:00 *m 322.26541 26.91753 0.01858105544041 18.897 12.78 46.44 0.000794 2017-Feb-06 00:00 *m 308.78471 17.40681 0.01827444227202 20.723 14.15 51.41 0.000422 2017-Feb-07 00:00 *m 297.16133 7.47762 0.01932714085187 19.632 12.56 45.66 0.000426 2017-Feb-08 00:00 *m 287.78831 -1.17580 0.02154426236920 16.721 9.50 34.54 0.000727 2017-Feb-09 00:00 *m 280.45407 -7.94901 0.02461448167581 13.540 6.66 24.19 0.000989 2017-Feb-10 00:00 * 274.74733 -13.02536 0.02826072025350 10.842 4.58 16.63 0.001179 2017-Feb-11 00:00 * 270.27540 -16.81057 0.03228660800123 8.757 3.18 11.55 0.001314 2017-Feb-12 00:00 * 266.72730 -19.66950 0.03656402749100 7.188 2.25 8.17 0.001409 2017-Feb-13 00:00 * 263.87262 -21.87136 0.04101053498953 6.008 1.63 5.91 0.001479 2017 BY93 JPL/Horizons solution 11, # obs: 125 (26 days) 2017 Feb 21 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-15 00:00 * 164.66618 -0.58495 0.09987536040370 0.282 166.80 606.24 0.055660 2017-Feb-16 00:00 * 165.09347 -0.81641 0.08860424033980 0.286 166.10 603.70 0.049620 2017-Feb-17 00:00 * 165.63171 -1.10396 0.07738002562808 0.301 165.41 601.17 0.043607 2017-Feb-18 00:00 * 166.33845 -1.47704 0.06620196126124 0.326 164.69 598.57 0.037620 2017-Feb-19 00:00 * 167.31735 -1.98856 0.05507183423243 0.354 163.90 595.69 0.031663 2017-Feb-20 00:00 * 168.77571 -2.74383 0.04399743347570 0.386 162.90 592.06 0.025742 2017-Feb-21 00:00 * 171.19591 -3.98526 0.03300291568374 0.695 161.34 586.39 0.019873 2017-Feb-22 00:00 * 176.00461 -6.41025 0.02216952607736 2.780 158.08 574.54 0.014099 * Scheduled 2017-Feb-23 00:00 * 189.73679 -12.88395 0.01189356235018 16.565 149.22 542.34 0.008555 2017-Feb-24 00:00 * 260.87365 -27.09924 0.00619865450629 93.823 120.17 436.75 0.003524 2017-Feb-25 00:00 * 317.34019 -12.78634 0.01349830079403 28.613 132.36 481.07 0.005823 2017-Feb-26 00:00 *m 328.53081 -7.56092 0.02393746801685 12.639 155.44 564.93 0.011101 2017-Feb-27 00:00 *m 332.76587 -5.46280 0.03480884919138 8.014 160.57 583.60 0.016815 2017-Feb-28 00:00 *m 334.96898 -4.35727 0.04582215876396 6.013 162.67 591.20 0.022664 JPL/Horizons solution 8, # obs: 86 (21 days) 2017 Feb 17 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-15 00:00 * 164.66618 -0.58497 0.09987930655209 0.405 306.06 1112.36 0.126128 2017-Feb-16 00:00 * 165.09347 -0.81643 0.08860780766642 0.439 304.54 1106.84 0.115189 2017-Feb-17 00:00 * 165.63171 -1.10399 0.07738321595885 0.852 303.05 1101.43 0.104335 2017-Feb-18 00:00 * 166.33845 -1.47708 0.06620477644526 1.900 301.60 1096.14 0.093576 2017-Feb-19 00:00 * 167.31734 -1.98861 0.05507427621009 4.099 300.19 1091.03 0.082926 2017-Feb-20 00:00 * 168.77568 -2.74388 0.04399950439521 8.901 298.97 1086.59 0.072403 2017-Feb-21 00:00 * 171.19583 -3.98531 0.03300461803663 20.810 298.78 1085.91 0.062021 2017-Feb-22 00:00 * 176.00438 -6.41028 0.02217086208746 58.433 306.35 1113.41 0.051689 * Scheduled 2017-Feb-23 00:00 * 189.73569 -12.88375 0.01189451826670 250.107 426.41 1549.77 0.039962 2017-Feb-24 00:00 * 260.86745 -27.10009 0.00619887924609 1110.546 1609.85 5850.93 0.005149 2017-Feb-25 00:00 * 317.33883 -12.78722 0.01349827627501 278.480 157.94 574.04 0.019233 2017-Feb-26 00:00 *m 328.53029 -7.56134 0.02393772694704 104.237 258.15 938.23 0.018829 2017-Feb-27 00:00 *m 332.76558 -5.46307 0.03480945239487 57.495 282.21 1025.68 0.020991 2017-Feb-28 00:00 *m 334.96877 -4.35747 0.04582312124599 38.364 290.14 1054.50 0.027035 JPL/Horizons solution 6, # obs: 42 (19 days): 2017 Feb 15 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-15 00:00 * 164.66616 -0.58500 0.09989138162004 1.015 568.58 2066.46 0.284100 2017-Feb-16 00:00 * 165.09343 -0.81647 0.08861895853251 2.204 565.29 2054.52 0.263733 2017-Feb-17 00:00 * 165.63164 -1.10402 0.07739344771180 4.520 562.15 2043.10 0.243521 2017-Feb-18 00:00 * 166.33834 -1.47710 0.06621409393865 8.816 559.26 2032.61 0.223466 2017-Feb-19 00:00 * 167.31715 -1.98861 0.05508268383628 17.074 556.97 2024.28 0.203568 2017-Feb-20 00:00 * 168.77532 -2.74383 0.04400700528879 34.302 556.46 2022.42 0.183807 2017-Feb-21 00:00 * 171.19509 -3.98512 0.03301121075794 75.675 562.88 2045.75 0.164068 2017-Feb-22 00:00 * 176.00244 -6.40960 0.02217652218487 203.060 608.69 2212.27 0.143713 * Scheduled 2017-Feb-23 00:00 * 189.72761 -12.88074 0.01189901977207 837.543 1103.91 4012.12 0.117032 2017-Feb-24 00:00 * 260.82661 -27.10324 0.00619913573340 3607.625 5274.88 19171.30 0.005898 2017-Feb-25 00:00 * 317.33065 -12.79134 0.01349601797852 880.217 223.57 812.54 0.070269 2017-Feb-26 00:00 *m 328.52744 -7.56304 0.02393594240137 321.048 421.01 1530.13 0.064471 2017-Feb-27 00:00 *m 332.76406 -5.46404 0.03480844245845 172.904 497.76 1809.07 0.052740 2017-Feb-28 00:00 *m 334.96779 -4.35813 0.04582295144978 112.858 521.04 1893.71 0.043372 JPL/Horizons solution 3, # obs: 23 (12 days): 2017 Feb 07 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2017-Feb-15 00:00 * 164.66297 -0.58323 0.10046743197374 54.632 3061.99 11128.65 2.344549 2017-Feb-16 00:00 * 165.08854 -0.81377 0.08916801785267 83.069 3038.26 11042.43 2.234653 2017-Feb-17 00:00 * 165.62405 -1.09986 0.07791572267998 128.170 3017.29 10966.21 2.125680 2017-Feb-18 00:00 * 166.32625 -1.47051 0.06670975784990 203.065 3002.04 10910.77 2.017508 2017-Feb-19 00:00 * 167.29704 -1.97773 0.05555183461849 335.888 3000.16 10903.96 1.909848 2017-Feb-20 00:00 * 168.73947 -2.72463 0.04444954517316 595.238 3034.97 11030.47 1.801928 2017-Feb-21 00:00 * 171.12324 -3.94724 0.03342642413563 1182.714 3195.85 11615.16 1.691288 2017-Feb-22 00:00 * 175.82394 -6.31845 0.02256104179807 2892.251 3981.18 14469.43 1.567367 * 2017-Feb-23 00:00 * 189.02084 -12.56368 0.01222949452311 10881.608 10813.18 39299.99 1.351482 2017-Feb-24 00:00 * 257.27302 -27.23487 0.00618930765343 46648.539 69662.53 253185.24 0.019481 2017-Feb-25 00:00 * 316.63302 -13.09120 0.01323042406315 11151.318 5245.34 19063.95 1.082564 2017-Feb-26 00:00 *m 328.29502 -7.67268 0.02366345490706 3793.226 1340.27 4871.14 1.116448 2017-Feb-27 00:00 *m 332.64584 -5.52013 0.03455248078854 1929.125 2266.45 8237.30 1.052403 2017-Feb-28 00:00 *m 334.89412 -4.39263 0.04558816469414 1197.568 2523.31 9170.84 0.969746
Apparent Magnitudes, Solar Elongations, Lunar Elongations, and Lunar Illumination: 45P/Honda-Mrkos-Pajdusakova Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta T-mag N-mag S-O-T /r T-O-M/Illu% 2017-Jan-31 00:00 *m 305.35218 -5.26976 0.17370620189038 8. 13. 14.6412 /L 43.3/ 9.5 2017-Feb-01 00:00 *m 303.35572 -3.97356 0.16163170031544 8. 13. 17.2571 /L 58.5/ 17.0 2017-Feb-02 00:00 *m 301.06493 -2.48392 0.14998459909613 8. 13. 20.3716 /L 74.2/ 26.3 2017-Feb-03 00:00 *m 298.42071 -0.76268 0.13882269349291 8. 13. 24.0117 /L 90.3/ 36.9 2017-Feb-04 00:00 *m 295.34951 1.23405 0.12822526992555 8. 13. 28.2311 /L 106.5/ 48.2 2017-Feb-05 00:00 *m 291.76083 3.55369 0.11829928187233 8. 13. 33.1067 /L 122.6/ 59.8 2017-Feb-06 00:00 *m 287.54605 6.24101 0.10918619223407 8. 13. 38.7311 /L 137.5/ 70.9 2017-Feb-07 00:00 *m 282.58098 9.32520 0.10106788370498 8. 12. 45.1983 /L 148.3/ 80.8 2017-Feb-08 00:00 *m 276.73671 12.79675 0.09416796640723 8. 12. 52.5773 /L 148.5/ 89.1 2017-Feb-09 00:00 *m 269.90572 16.57497 0.08874207287489 8.12 12.38 60.8701 /L 137.1/ 95.2 2017-Feb-10 00:00 * 262.04976 20.47741 0.08504955988295 8.20 12.39 69.9610 /L 120.0/ 98.8 2017-Feb-11 00:00 * 253.26501 24.22002 0.08330444250201 8.32 12.44 79.5838 /L 101.1/100.0 2017-Feb-12 00:00 * 243.83373 27.47803 0.08361861166772 8.49 12.54 89.3442 /L 82.1/ 98.7 2017-Feb-13 00:00 * 234.20767 29.99634 0.08596582369773 8.72 12.70 98.8091 /L 64.5/ 95.3 2017-Feb-14 00:00 * 224.89650 31.67954 0.09018962784326 8.98 12.89 107.6200 /L 50.0/ 90.1 2017-Feb-15 00:00 * 216.31813 32.59651 0.09604983819378 9.28 13.12 115.5624 /L 41.0/ 83.4 2017-Feb-16 00:00 * 208.70812 32.91251 0.10327932141343 9.59 13.37 122.5663 /L 39.7/ 75.6 2017-Feb-17 00:00 * 202.12425 32.81123 0.11162650491959 9.91 13.63 128.6638 /L 45.6/ 67.0 2017-Feb-18 00:00 * 196.50594 32.44809 0.12087656828237 10.24 13.89 133.9399 /L 55.5/ 57.9 2017-Feb-19 00:00 * 191.73688 31.93650 0.13085642914340 10.56 14.15 138.4970 /L 67.2/ 48.6 2017-Feb-20 00:00 * 187.68734 31.35191 0.14143118018901 10.87 14.40 142.4340 /L 79.7/ 39.4 2017-Feb-21 00:00 * 184.23596 30.74147 0.15249748419798 11.18 14.65 145.8375 /L 92.5/ 30.4 2017-Feb-22 00:00 * 181.27806 30.13317 0.16397678987802 11.48 14.89 148.7790 /L 105.4/ 22.0 2017-Feb-23 00:00 * 178.72690 29.54266 0.17580949052515 11.77 15.12 151.3156 /L 118.3/ 14.4 2017-Feb-24 00:00 * 176.51206 28.97801 0.18795027375496 12.05 15.34 153.4920 /L 131.1/ 8.1 2017-Feb-25 00:00 * 174.57684 28.44267 0.20036455735359 12.33 15.56 155.3426 /L 143.4/ 3.3 2017-Feb-26 00:00 *m 172.87571 27.93744 0.21302580526283 12.60 15.77 156.8938 /L 154.0/ 0.6 2017-Feb-27 00:00 *m 171.37200 27.46159 0.22591352014065 12.86 15.97 158.1669 /L 159.4/ 0.1 2017-Feb-28 00:00 *m 170.03606 27.01358 0.23901174483444 13.11 16.17 159.1797 /L 155.5/ 2.2 2015 BN509 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta APmag S-O-T /r T-O-M/Illu% 2017-Feb-01 00:00 184.51542 12.50538 0.08761463125510 17.12 131.8124 /L 169.0/ 17.3 2017-Feb-02 00:00 188.51558 13.25044 0.07792843860896 16.93 129.0977 /L 162.7/ 26.4 2017-Feb-03 00:00 193.62392 14.11479 0.06872573605371 16.75 125.3263 /L 154.2/ 36.9 2017-Feb-04 00:00 200.26702 15.07729 0.06021419059707 16.60 120.1004 /L 146.1/ 48.1 2017-Feb-05 00:00 208.99481 16.04349 0.05271651740837 16.50 112.9144 /L 139.4/ 59.5 2017-Feb-06 00:00 220.34915 16.76701 0.04671283158936 16.53 103.2717 /L 134.9/ 70.4 2017-Feb-07 00:00 234.41542 16.80220 0.04282944650266 16.77 91.0658 /L 133.2/ 80.3 2017-Feb-08 00:00 250.14096 15.71099 0.04166234196953 17.30 77.1678 /L 134.2/ 88.6 2017-Feb-09 00:00 265.41017 13.54927 0.04343561295049 18.16 63.4387 /L 136.6/ 94.8 2017-Feb-10 00:00 278.42569 10.92108 0.04783296195988 19. 51.6042 /L 138.6/ 98.7 2017-Feb-11 00:00 288.65852 8.41618 0.05423336457130 20. 42.3061 /L 138.7/100.0 2017-Feb-12 00:00 296.45728 6.29335 0.06203653232638 22. 35.3158 /L 136.1/ 98.9 2017-Feb-13 00:00 302.39891 4.57574 0.07079917812721 23. 30.1178 /L 131.0/ 95.5 2017-Feb-14 00:00 306.98858 3.20033 0.08022850230413 24. 26.2282 /L 124.2/ 90.3 2017-Feb-15 00:00 310.60068 2.09219 0.09013815098242 25. 23.2791 /L 116.1/ 83.6 2017 BW Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta APmag S-O-T /r T-O-M/Illu% 2017-Feb-04 00:00 146.94346 -3.49811 0.03983100900275 17.49 158.3080 /L 105.3/ 48.1 2017-Feb-05 00:00 147.98389 -2.66479 0.03699484223780 17.30 159.3200 /L 92.5/ 59.5 2017-Feb-06 00:00 149.18913 -1.67787 0.03419924314816 17.09 160.3814 /L 79.5/ 70.4 2017-Feb-07 00:00 150.60051 -0.50175 0.03144918169844 16.87 161.4718 /L 66.6/ 80.3 2017-Feb-08 00:00 152.27339 0.91063 0.02875187671128 16.64 162.5395 /L 53.7/ 88.6 2017-Feb-09 00:00 154.28354 2.62201 0.02611785382542 16.40 163.4701 /L 40.9/ 94.8 2017-Feb-10 00:00 156.73685 4.71616 0.02356256483744 16.15 164.0333 /L 28.4/ 98.7 2017-Feb-11 00:00 159.78456 7.30382 0.02110889274506 15.92 163.8212 /L 16.4/100.0 2017-Feb-12 00:00 163.64684 10.52609 0.01879100626581 15.71 162.2548 /L 6.067/ 98.9 2017-Feb-13 00:00 168.64769 14.54505 0.01666004585121 15.56 158.7386 /L 8.991/ 95.5 2017-Feb-14 00:00 175.25889 19.49479 0.01479146121591 15.47 152.8414 /L 19.3/ 90.3 2017-Feb-15 00:00 184.12327 25.33901 0.01329095400136 15.48 144.3562 /L 29.6/ 83.6 2017-Feb-16 00:00 195.93588 31.59559 0.01228893521370 15.61 133.4255 /L 39.2/ 75.7 2017-Feb-17 00:00 210.91011 37.11769 0.01190716760233 15.89 120.8247 /L 47.4/ 67.0 2017-Feb-18 00:00 227.83623 40.52947 0.01219979050741 16.33 107.9719 /L 53.5/ 57.8 2017-Feb-19 00:00 244.11609 41.34148 0.01311812577944 16.89 96.2948 /L 56.9/ 48.4 2017-Feb-20 00:00 257.65657 40.25796 0.01454113896727 17.49 86.5533 /L 57.7/ 39.0 2017-Feb-21 00:00 268.02244 38.29637 0.01633518208615 18.09 78.8042 /L 56.8/ 30.0 2017-Feb-22 00:00 275.75855 36.13497 0.01839034593862 18.65 72.7526 /L 55.1/ 21.5 2017-Feb-23 00:00 281.57006 34.08591 0.02062764831897 19.17 68.0328 /L 53.3/ 13.9 2017-Feb-24 00:00 286.02170 32.25359 0.02299337289584 19.63 64.3270 /L 52.4/ 7.7 2017-Feb-25 00:00 289.51074 30.65095 0.02545151986655 20.04 61.3893 /L 53.0/ 3.1 2017-Feb-26 00:00 292.30740 29.25734 0.02797786448435 20.41 59.0378 /L 55.6/ 0.5 2017-Feb-27 00:00 294.59587 28.04316 0.03055592182337 21. 57.1396 /L 60.2/ 0.2 2017-Feb-28 00:00 296.50362 26.97928 0.03317433615319 21. 55.5968 /L 66.6/ 2.4 2013 WT67 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta APmag S-O-T /r T-O-M/Illu% 2017-Feb-09 00:00 9.95298 32.65454 0.13386288626752 17.50 65.3311 /T 92.8/ 94.8 2017-Feb-11 00:00 17.07293 30.32568 0.12600987351721 17.31 67.0440 /T 113.1/100.0 2017-Feb-13 00:00 24.53282 27.25372 0.11985975517726 17.12 69.1782 /T 133.3/ 95.5 2017-Feb-15 00:00 32.11376 23.45407 0.11567798621169 16.93 71.7353 /T 153.0/ 83.6 2017-Feb-17 00:00 39.57556 19.05344 0.11366976437439 16.77 74.6460 /T 170.6/ 67.0 2017-Feb-19 00:00 46.70170 14.28180 0.11393270747725 16.64 77.7672 /T 165.6/ 48.4 2017-Feb-21 00:00 53.33418 9.42032 0.11642978322943 16.56 80.9140 /T 146.9/ 30.0 2017-Feb-23 00:00 59.38617 4.72974 0.12099767226068 16.52 83.9096 /T 126.9/ 13.9 2017-Feb-25 00:00 64.83439 0.39728 0.12738598406478 16.52 86.6260 /T 105.9/ 3.1 2017-Feb-27 00:00 69.70084 -3.47846 0.13530712184028 16.56 88.9979 /T 84.3/ 0.2 2017-Mar-01 00:00 74.03381 -6.87245 0.14447756107048 16.63 91.0122 /T 62.9/ 7.1 2017-Mar-03 00:00 77.89290 -9.80711 0.15464265577575 16.71 92.6895 /T 43.7/ 23.0 2017-Mar-05 00:00 81.33933 -12.32870 0.16558668830659 16.81 94.0666 /T 32.0/ 44.6 2017-Mar-07 00:00 84.43070 -14.49125 0.17713335950389 16.91 95.1848 /T 35.5/ 67.1 2017-Mar-09 00:00 87.21875 -16.34754 0.18914148674521 17.02 96.0840 /T 50.4/ 85.7 2017-Mar-11 00:00 89.74881 -17.94499 0.20149906660805 17.12 96.8000 /T 68.8/ 97.1 2017-Mar-13 00:00 92.06002 -19.32438 0.21411735682655 17.23 97.3631 /T 87.4/ 99.8 2017-Mar-15 00:00 94.18598 -20.52003 0.22692568356871 17.34 97.7990 /T 104.8/ 94.2 2017-Mar-17 00:00 96.15532 -21.56052 0.23986722914736 17.44 98.1291 /T 120.1/ 82.1 2017-Mar-19 00:00 97.99239 -22.46955 0.25289581132419 17.54 98.3709 /T 131.8/ 65.7 2017 BQ6 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta APmag S-O-T /r T-O-M/Illu% 2017-Feb-01 00:00 97.51353 14.41084 0.04400019774026 16.03 144.0907 /T 95.6/ 17.3 2017-Feb-02 00:00 96.04690 17.90285 0.03807955875689 15.76 142.1207 /T 80.5/ 26.4 2017-Feb-03 00:00 93.99045 22.63302 0.03239176451333 15.48 139.3353 /T 64.8/ 36.9 2017-Feb-04 00:00 90.87345 29.24565 0.02707323107972 15.20 135.1116 /T 48.9/ 48.1 2017-Feb-05 00:00 85.57772 38.68708 0.02237888646885 14.97 128.3641 /T 35.5/ 59.5 2017-Feb-06 00:00 74.81528 51.76743 0.01877455607546 14.89 117.5980 /T 34.9/ 70.4 * Scheduled 2017-Feb-07 00:00 46.62650 66.03599 0.01696407759396 15.15 102.2739 /T 53.9/ 80.3 * 2017-Feb-08 00:00 349.42212 68.11751 0.01751032638202 15.85 85.4727 /T 80.1/ 88.6 * 2017-Feb-09 00:00 317.55154 57.13914 0.02022283686476 16.82 71.9513 /L 102.7/ 94.8 2017-Feb-10 00:00 305.68979 46.58222 0.02439024504634 17.75 63.0812 /L 117.3/ 98.7 2017-Feb-11 00:00 300.04673 38.83030 0.02940206141715 19. 57.7011 /L 123.3/100.0 * 2017-Feb-12 00:00 296.82135 33.26935 0.03489850863854 19. 54.4919 /L 122.2/ 98.9 * 2017-Feb-13 00:00 294.75841 29.18865 0.04068584825850 20. 52.5882 /L 116.3/ 95.5 2017-Feb-14 00:00 293.34036 26.10046 0.04665804192612 20. 51.4849 /L 107.8/ 90.3 2017-Feb-15 00:00 292.31764 23.69329 0.05275420801529 20. 50.8894 /L 98.1/ 83.6 2017-Feb-16 00:00 291.55574 21.76733 0.05893748134719 20. 50.6278 /L 88.0/ 75.7 2017-Feb-17 00:00 290.97593 20.19120 0.06518437030722 21. 50.5934 /L 77.9/ 67.0 2013 FK Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta APmag S-O-T /r T-O-M/Illu% 2017-Feb-01 00:00 9.42722 42.25973 0.02994017220760 19.19 77.7922 /T 44.5/ 17.3 2017-Feb-02 00:00 0.57711 41.18582 0.02615447694933 19.25 71.2890 /T 40.7/ 26.4 2017-Feb-03 00:00 349.51635 38.78472 0.02283293441794 19.46 63.2156 /T 47.3/ 36.9 2017-Feb-04 00:00 336.43631 34.23776 0.02021504376079 20. 53.4880 /T 63.7/ 48.1 2017-Feb-05 00:00 322.36520 26.95796 0.01860947724995 21. 43.0228 /T 86.8/ 59.5 2017-Feb-06 00:00 308.89245 17.46942 0.01829283900132 22. 34.8032 /L 113.1/ 70.4 * 2017-Feb-07 00:00 297.26458 7.54824 0.01933443881733 22. 32.6782 /L 139.3/ 80.3 2017-Feb-08 00:00 287.88066 -1.11056 0.02154161063615 22. 36.2774 /L 160.9/ 88.6 2017-Feb-09 00:00 280.53409 -7.89462 0.02460399617442 22. 41.9565 /L 162.2/ 94.8 2017-Feb-10 00:00 274.81597 -12.98184 0.02824438647165 21. 47.5404 /L 145.7/ 98.7 2017-Feb-11 00:00 270.33433 -16.77606 0.03226593559344 21. 52.4231 /L 128.0/100.0 2017-Feb-12 00:00 266.77817 -19.64198 0.03654008562791 21. 56.5787 /L 111.2/ 98.9 2017-Feb-13 00:00 263.91687 -21.84916 0.04098407047095 20.87 60.1245 /L 95.4/ 95.5 2017 BY93 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta APmag S-O-T /r T-O-M/Illu% 2017-Feb-14 00:00 164.30112 -0.37829 0.11179030656226 19.50 158.8056 /L 18.4/ 90.3 2017-Feb-15 00:00 164.64933 -0.56936 0.10044201637895 19.24 159.3734 /L 29.9/ 83.6 2017-Feb-16 00:00 165.07301 -0.79820 0.08914274123004 18.95 159.8565 /L 41.4/ 75.7 2017-Feb-17 00:00 165.60612 -1.08213 0.07789051766736 18.63 160.2188 /L 52.7/ 67.0 2017-Feb-18 00:00 166.30518 -1.44994 0.06668451992539 18.28 160.3999 /L 63.7/ 57.8 2017-Feb-19 00:00 167.27172 -1.95326 0.05552639379516 17.87 160.2916 /L 74.3/ 48.4 2017-Feb-20 00:00 168.70804 -2.69449 0.04442360476353 17.38 159.6766 /L 84.5/ 39.0 2017-Feb-21 00:00 171.08243 -3.90818 0.03339940823360 16.80 158.0493 /L 93.6/ 30.0 2017-Feb-22 00:00 175.76755 -6.26385 0.02253163407539 16.05 153.9214 /L 100.4/ 21.5 2017-Feb-23 00:00 188.94448 -12.48259 0.01219396453161 15.08 140.7291 /L 98.2/ 13.9 2017-Feb-24 00:00 257.50750 -27.14457 0.00615445218920 15.79 76.7265 /L 45.2/ 7.7 2017-Feb-25 00:00 316.78592 -12.98243 0.01322992182897 24. 21.4756 /L 2.189/ 3.1 2017-Feb-26 00:00 328.37524 -7.61001 0.02367152272698 31. 10.8324 /L 4.923/ 0.5
Setups
CW setup: --------------------------------------------------------------------------- TX polarization RCP RCV polarization LCP & RCP Frequency hops: no hopping Bandwidth: 5000 Hz TXoffset +500 Hz Sampling interval: 2000 x 0.1 usec FFT for PFS files: 5000 for 1.0 Hz resolution Ranging setups: --------------------------------------------------------------------------- 10-usec baud 10 usec code 127 PRP 1270 usec FFT 64 ncoh 1 bandwidth 787 Hz resolution 12.3 Hz TXOFF +100 Hz (echo in column 32 + 8 = 40) --------------------------------------------------------------------------- 11-usec baud 11 usec code 127 PRP 1397 usec FFT 64 ncoh 1 bandwidth 716 Hz resolution 11.2 Hz TXOFF +100 Hz (echo in column 32 + 9 = 41) ------------------------------------------------------------------------- 1-usec baud 1 usec code 255 FFT 512 ncoh 16 bandwidth 245 Hz resolution 0.48 Hz TXOFF +50 Hz ---------------------------------------------------------------------
Instructions
NOTE: Data should be moved to the appropriate subdirectories in aardvark:/export/data0/45p/raw/
POINTING:
OSOD and predicts will be on aardvark: ...not available yet... POINTING TX Offsets Date (UTC) DOY hhmmss RA Dec Macro LHA Dec RTT OSOD ... not available yet... Transmit offsets are given in millidegrees.
PRDX.OUT.14f-14-14.?? TRANSMITTER: STATION #14, RECEIVER: STATION #14 RECEIVER U.T. RANGE DOPPLER LHA DEC RA EL
GOLDSTONE MASTERLOG
============================================================================== Receive TX Setup hops dwell code ncoh FFT runs start -stop OSOD offset Poln Notes ------------------------------------------------------------------------------
Dr. Lance A. M. Benner | PHONE: (818) 354-7412 Mail Stop 183-601 | FAX: (818) 393-4445 Jet Propulsion Laboratory | email: lance.benner@jpl.nasa.gov California Institute of Technology | Plan: To live long and prosper Pasadena, CA 91109-8099 http://echo.jpl.nasa.gov/asteroids/45P_HMP/HMP_planning.2017.html
Asteroid Radar Astronomy