(163364) 2002 OD20 Goldstone Radar Observations Planning
2002 OD20 was discovered by the NEAT Survey (Palomar Mountain) on July 21, 2002. Its physical characteristics are unknown except for its absolute magnitude of 18.8, which suggests a diameter within a factor of two of ~540 meters. 2002 OD20 will approach within 0.0388 AU (15.1 lunar distances) on May 23, its closest approach to Earth in this century. 2002 OD20 should be a moderately strong radar target at Goldstone and we have two tracks planned on May 18 and 20. Two tracks are scheduled at Arecibo on May 3 and 4 as the object is inbound, so we are likely to learn more about it prior to the first track at Goldstone. It will be too far south for Arecibo to observe during the closest approach. Update on May 3: Efforts to observe this object at Arecibo on May 3 were unsuccessful, suggesting that the asteroid is smaller and/or less reflective than expected. Arecibo observations on May 4 have been cancelled. 2002 OD20 will be a good optical target in early June when the asteroid will reach 14th magnitude and when the Moon is gone. 2002 OD20 has been classified as a "Potentially Hazardous Asteroid" (PHA) by the IAU's Minor Planet Center.
Orbital and Physical Characteristics orbit type Apollo semimajor axis 1.364 AU eccentricity 0.369 inclination 4.2 deg perihelion distance 0.369 AU aphelion distance 1.867 AU absolute magnitude (H) 18.8 diameter 540 m (+- a factor of two) rotation period ~3 h (J. Pollock, pers. comm.) 2.455 h (Leura Observatory, pers. comm.) pole direction unknown lightcurve amplitude ~0.3 mag (J. Pollock, pers. comm.) spectral class unknown Last update: 2013 June 17
M.P.E.C. 2002-O43 Issued 2002 July 29, 18:45 UT The Minor Planet Electronic Circulars contain information on unusual minor planets and routine data on comets. They are published on behalf of Commission 20 of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Prepared using the Tamkin Foundation Computer Network MPC@CFA.HARVARD.EDU URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714 2002 OD20 Observations: K02O20D* C2002 07 21.44193 22 13 15.89 -02 37 50.9 20.2 644 K02O20D C2002 07 21.45238 22 13 14.89 -02 37 53.0 20.4 644 K02O20D C2002 07 21.46271 22 13 13.90 -02 37 55.2 20.3 644 K02O20D 1C2002 07 22.39378 22 11 48.14 -02 41 16.6 658 K02O20D 1C2002 07 22.39550 22 11 48.01 -02 41 17.5 658 K02O20D 1C2002 07 22.39751 22 11 47.75 -02 41 17.7 658 K02O20D 1C2002 07 22.39976 22 11 47.55 -02 41 18.5 658 K02O20D 1C2002 07 22.40148 22 11 47.36 -02 41 18.6 658 K02O20D C2002 07 22.44632 22 11 42.93 -02 41 26.2 20.0 644 K02O20D C2002 07 22.45670 22 11 41.92 -02 41 28.4 20.0 644 K02O20D C2002 07 22.46718 22 11 40.86 -02 41 30.8 20.3 644 K02O20D 1C2002 07 29.67749 21 59 23.95 -03 16 53.2 413 K02O20D 1C2002 07 29.67908 21 59 23.81 -03 16 53.9 413 K02O20D 1C2002 07 29.68067 21 59 23.62 -03 16 54.7 413 Observer details: 413 Siding Spring. Observers G. J. Garradd, R. H. McNaught. Measurer R. H. McNaught. 1.0-m f/8 reflector + CCD. 644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence, K. Kuluhiwa, M. Hicks, R. Thicksten. 1.2-m Schmidt + CCD. 658 National Research Council of Canada. Observer G. B. Poole. Measurer J. Clem. 1.82-m Plaskett reflector + CCD. Orbital elements: 2002 OD20 PHA 0.030 Epoch 2002 July 25.0 TT = JDT 2452480.5 MPC M 105.42668 (2000.0) P Q n 0.61953053 Peri. 274.13752 -0.99274231 -0.09615522 a 1.3627857 Node 260.35567 +0.11669989 -0.91532055 e 0.3715295 Incl. 4.20145 -0.02904904 -0.39107860 P 1.59 H 18.1 G 0.15 >From 14 observations 2002 July 21-29. Ephemeris: 2002 OD20 a,e,i = 1.36, 0.37, 4 q = 0.8565 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2002 07 15 22 22.08 -02 23.1 0.709 1.601 135.4 26.5 19.6 2002 07 25 22 07.59 -02 52.0 0.688 1.640 148.1 19.1 19.3 2002 08 04 21 49.35 -03 53.2 0.684 1.677 161.2 11.3 19.1 2002 08 14 21 29.78 -05 17.4 0.702 1.710 170.8 5.5 18.9 2002 08 24 21 11.86 -06 49.5 0.744 1.740 164.8 8.8 19.3 2002 09 03 20 57.84 -08 15.6 0.808 1.767 152.9 15.1 19.7 2002 09 13 20 48.87 -09 27.0 0.892 1.791 141.3 20.6 20.1 2002 09 23 20 45.03 -10 19.8 0.990 1.812 130.7 24.8 20.5 2002 10 03 20 45.75 -10 53.6 1.100 1.829 121.1 27.9 20.9 2002 10 13 20 50.33 -11 09.4 1.217 1.843 112.3 30.1 21.2 2002 10 23 20 58.02 -11 08.4 1.339 1.855 104.3 31.3 21.4 2002 11 02 21 08.16 -10 52.1 1.463 1.863 96.8 31.9 21.6 2002 11 12 21 20.27 -10 21.4 1.587 1.867 89.8 32.0 21.8 2002 11 22 21 33.92 -09 37.5 1.708 1.869 83.2 31.7 22.0 Timothy B. Spahr (C) Copyright 2002 MPC M.P.E.C. 2002-O43
2002OD20: D = 0.54 km, (a conservative lower bound) P = 2.0 h, (We assumed a rapid rotation period in order to place a lower bound on the SNRs) OC albedo = 0.1 SNR/ SNR/ w DOY start date window RA, dec dist runs day run 20 135 May 15 19:39-02:59 107, -12 0.059 243 57 4 20 136 May 16 19:58-03:00 111, -14 0.055 253 74 5 20 137 May 17 20:22-03:01 115, -17 0.051 260 95 7 20 138 May 18 20:52-03:03 120, -19 0.047 264 120 8 20 139 May 19 21:30-03:05 126, -23 0.044 262 150 10 21 140 May 20 22:16-03:08 133, -26 0.042 252 170 12 21 141 May 21 23:13-03:10 141, -29 0.040 234 180 13 21 142 May 23 00:21-03:11 151, -32 0.039 208 170 13 21 143 May 24 01:41-03:06 161, -34 0.039 179 150 12 ...object too far south for Goldstone from May 25-27... 22 148 May 28 03:59-05:18 198, -34 0.047 148 71 6 22 149 May 29 03:53-06:08 205, -33 0.051 151 57 5 22 150 May 30 03:50-06:47 210, -32 0.055 151 44 4 22 151 May 31 03:48-07:17 215, -30 0.060 150 35 3 22 152 Jun 1 03:47-07:41 219, -29 0.064 147 27 2 22 153 Jun 2 03:45-08:00 222, -28 0.069 144 21 2 Goldstone SNRs assume Ptx = 440 kW Arecibo SNRs : Tsys = 23 K, P = 800 kW, elev >= 70.31 deg # SNR/ SNR/ start date window RA, dec dist runs day run 2013 Apr 27 18:35-20:31 82, +5 0.157 22 15 3 2013 Apr 28 18:36-20:28 83, +4 0.151 22 17 4 2013 Apr 29 18:37-20:25 84, +4 0.145 22 19 5 2013 Apr 30 18:38-20:22 84, +3 0.140 22 22 5 2013 May 1 18:39-20:18 85, +3 0.134 22 24 6 2013 May 2 18:41-20:15 86, +2 0.128 21 27 6 2013 May 3 18:44-20:11 87, +2 0.122 21 30 7 2013 May 4 18:48-20:06 88, +1 0.117 20 33 8 2013 May 5 18:53-20:01 89, +1 0.111 18 36 9 2013 May 6 19:00-19:54 90, 0 0.105 15 37 10 2013 May 7 19:13-19:43 91, -1 0.100 9 32 11
DAY START BOT EOT END FACILITY USER ACTIVITY 139 2035 2205 0125 0155 DSS-14 GSSR AST 2002 OD20 141 2340 0110 0355 0425 DSS-14 GSSR AST 2002 OD20 Goldstone tracks: UT UT PDT AST Duration Round-trip DOY Date TX Window TX Window TX window hh:mm time (sec) SNR/Run --- ---- --------- --------- --------- --------- --------- ------- 139-140 May 19-20 2140-0125 1440-1825 May 19 1740-2125 May 19 3:45 47 8 overlap with 2013 HT15 2140-0125 UT 142 May 22 0010-0355 1710-2055 May 21 2010-2355 May 21 3:45 41 12 overlap with 2013 HT15 0010-0258 UT NOTE: TXON in the table above corresponds to when transmit authorization starts. We expect that 2013 HT15 will be a weak target but we intend to try it for a while just in case the SNRs are stronger than expected. 2002 OD20 also overlaps the view period for 2013 JM22 on May 19 for the entire track. Arecibo tracks: UT UT PST AST Duration Round-trip DOY Date TX Window TX Window TX window hh:mm time (sec) SNR/Run --- ---- --------- --------- --------- --------- --------- ------- 123 May 03 1844-2011 1144-1311 May 03 1444-1611 May 03 01:27 122 7 No echoes 124 May 04 1848-2006 1148-1306 May 04 1448-1606 May 04 01:18 117 8 Cancelled
From Horizons, 2013 May 03, Solution 59, # obs: 221 (2001-2013) Date__(UT)__HR:MN R.A._(J2000.0)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2013-May-03 00:00 * 86.00448 2.26355 0.12690124807956 2.248 0.29 1.06 0.001536 2013-May-04 00:00 * 86.86823 1.69662 0.12119574782398 2.365 0.29 1.06 0.001533 2013-May-05 00:00 * 87.78990 1.08359 0.11554238243673 2.491 0.30 1.07 0.001530 2013-May-06 00:00 * 88.77945 0.41789 0.10994435570011 2.626 0.30 1.10 0.001528 2013-May-07 00:00 * 89.84876 -0.30828 0.10440565029768 2.770 0.31 1.14 0.001527 2013-May-08 00:00 *m 91.01205 -1.10419 0.09893127192691 2.926 0.33 1.20 0.001528 2013-May-09 00:00 *m 92.28653 -1.98095 0.09352755934822 3.093 0.36 1.30 0.001530 2013-May-10 00:00 *m 93.69316 -2.95179 0.08820258390711 3.274 0.39 1.43 0.001533 2013-May-11 00:00 *m 95.25771 -4.03251 0.08296667003712 3.468 0.44 1.60 0.001539 2013-May-12 00:00 *m 97.01206 -5.24193 0.07783307868091 3.677 0.50 1.82 0.001546 2013-May-13 00:00 *m 98.99599 -6.60226 0.07281890814736 3.902 0.57 2.07 0.001555 2013-May-14 00:00 *m 101.25941 -8.13930 0.06794627967102 4.144 0.65 2.36 0.001567 2013-May-15 00:00 *m 103.86518 -9.88218 0.06324388193766 4.403 0.74 2.67 0.001580 2013-May-16 00:00 *m 106.89255 -11.86192 0.05874893553701 4.681 0.83 3.00 0.001594 2013-May-17 00:00 *m 110.44072 -14.10807 0.05450957283597 4.980 0.92 3.34 0.001608 2013-May-18 00:00 *m 114.63172 -16.64136 0.05058744947980 5.305 1.02 3.69 0.001620 2013-May-19 00:00 *m 119.60991 -19.46055 0.04706001250068 5.664 1.14 4.15 0.001626 2013-May-20 00:00 *m 125.53259 -22.52135 0.04402115054758 6.074 1.35 4.89 0.001623 2013-May-21 00:00 *m 132.54252 -25.70964 0.04157802605390 6.550 1.70 6.19 0.001603 2013-May-22 00:00 *m 140.71109 -28.82086 0.03984139400845 7.089 2.23 8.12 0.001561 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Apparent Magnitudes, Solar Elongations, Lunar Elongations, and Lunar Illumination: Date__(UT)__HR:MN R.A._(J2000.0)_DEC. APmag delta S-O-T /r T-O-M/Illu% 2013-May-01 00:00 84.42243 3.28985 n.a. 0.13849225507769 47.0156 /T 149.4/ 66.6 2013-May-02 00:00 85.19461 2.79984 n.a. 0.13268969444623 47.0457 /T 137.7/ 55.4 2013-May-03 00:00 86.00911 2.27404 n.a. 0.12693444007474 47.1375 /T 125.7/ 44.2 2013-May-04 00:00 86.87311 1.70775 n.a. 0.12122868916262 47.3002 /T 113.9/ 33.5 2013-May-05 00:00 87.79503 1.09544 n.a. 0.11557506113333 47.5443 /T 102.3/ 23.9 2013-May-06 00:00 88.78485 0.43054 n.a. 0.10997675810607 47.8822 /T 91.0/ 15.5 2013-May-07 00:00 89.85442 -0.29473 n.a. 0.10443776055386 48.3284 /T 80.1/ 8.8 2013-May-08 00:00 91.01797 -1.08965 n.a. 0.09896307121887 48.9004 /T 69.7/ 4.0 2013-May-09 00:00 92.29270 -1.96527 n.a. 0.09355902488645 49.6186 /T 59.8/ 1.0 2013-May-10 00:00 93.69956 -2.93481 n.a. 0.08823368752394 50.5080 /T 50.6/ 0.0 2013-May-11 00:00 95.26429 -4.01405 n.a. 0.08299737624733 51.5983 /T 42.3/ 0.9 2013-May-12 00:00 97.01877 -5.22178 n.a. 0.07786334199188 52.9257 /T 35.3/ 3.6 2013-May-13 00:00 99.00273 -6.58015 n.a. 0.07284866932642 54.5340 /T 30.2/ 8.0 2013-May-14 00:00 101.26603 -8.11493 n.a. 0.06797546058462 56.4763 /T 27.6/ 13.9 2013-May-15 00:00 103.87148 -9.85517 17.41 0.06327237849626 58.8163 /T 27.9/ 21.1 2013-May-16 00:00 106.89820 -11.83186 17.08 0.05877660827981 61.6294 /T 30.6/ 29.4 2013-May-17 00:00 110.44524 -14.07450 16.71 0.05453623494405 65.0027 /T 34.7/ 38.5 2013-May-18 00:00 114.63443 -16.60384 16.33 0.05061285287008 69.0303 /T 39.3/ 48.2 2013-May-19 00:00 119.60982 -19.41872 15.93 0.04708383471802 73.8043 /T 43.9/ 58.3 2013-May-20 00:00 125.52839 -22.47510 15.52 0.04404298903236 79.3945 /T 48.1/ 68.3 2013-May-21 00:00 132.53258 -25.65937 15.13 0.04159741149167 85.8162 /T 51.7/ 77.8 2013-May-22 00:00 140.69368 -28.76771 14.76 0.03985783679685 92.9899 /T 54.5/ 86.3 2013-May-23 00:00 149.92644 -31.51724 14.44 0.03892124395788 100.7107 /T 56.9/ 93.2 2013-May-24 00:00 159.91276 -33.61367 14.19 0.03884915209185 108.6555 /T 59.3/ 97.9 2013-May-25 00:00 170.11410 -34.86085 14.01 0.03965082428043 116.4441 /T 62.5/ 99.9 2013-May-26 00:00 179.91909 -35.24034 13.90 0.04128098559314 123.7311 /T 67.0/ 98.9 2013-May-27 00:00 188.84432 -34.89760 13.85 0.04365345251720 130.2791 /T 73.0/ 95.0 2013-May-28 00:00 196.64438 -34.05553 13.84 0.04666248230046 135.9779 /T 80.5/ 88.4 2013-May-29 00:00 203.28971 -32.92862 13.88 0.05020176837924 140.8211 /T 89.2/ 79.7 2013-May-30 00:00 208.88059 -31.67987 13.95 0.05417607288646 144.8664 /T 98.6/ 69.6 2013-May-31 00:00 213.56846 -30.41549 14.03 0.05850583746208 148.2003 /T 108.6/ 58.8 2013-Jun-01 00:00 217.50864 -29.19680 14.13 0.06312732462661 150.9165 /T 118.8/ 47.9 2013-Jun-02 00:00 220.83944 -28.05488 14.24 0.06799067603268 153.1038 /T 129.2/ 37.4 2013-Jun-03 00:00 223.67610 -27.00229 14.35 0.07305737411935 154.8414 /T 139.7/ 27.7 2013-Jun-04 00:00 226.11174 -26.04113 14.47 0.07829782414052 156.1982 /T 150.2/ 19.1 2013-Jun-05 00:00 228.22052 -25.16791 14.59 0.08368931572222 157.2332 /T 160.5/ 12.0 2013-Jun-06 00:00 230.06129 -24.37653 14.72 0.08921440256916 157.9971 /T 170.2/ 6.4 2013-Jun-07 00:00 231.68079 -23.65991 14.84 0.09485965241207 158.5327 /T 173.6/ 2.5 2013-Jun-08 00:00 233.11635 -23.01087 14.97 0.10061469651591 158.8769 /T 165.2/ 0.4 2013-Jun-09 00:00 234.39793 -22.42258 15.10 0.10647151123482 159.0608 /T 154.9/ 0.2 2013-Jun-10 00:00 235.54977 -21.88878 15.22 0.11242387546501 159.1107 /T 144.2/ 1.7
We don't know anything about the spin state of 2002 OD20, so we will start with a relative coarse Doppler resolution in order to quickly see the echo. CW setup: --------------------------------------------------------------------------- TX polarization RCP RCV polarization LCP & RCP Frequency hops: 2 Dwells: 20 Bandwidth: 4000 Hz Sampling interval: 2500 x 0.1 usec PFS FFT: : 1024 for 3.9 Hz res Ranging setups: --------------------------------------------------------------------------- 10-usec baud 10 usec code 127 PRP 1270 usec FFT 128 ncoh 1 bandwidth 787 Hz resolution 6.15 Hz TXOFF +100Hz (echo in bin 64+16=80) --------------------------------------------------------------------------- 11-usec baud 11 usec code 127 PRP 1397 usec FFT 128 ncoh 1 bandwidth 716 Hz resolution 5.6 Hz TXOFF +100 Hz (echo in bin 64+18=82) ------------------------------------------------------------------------- 1-usec baud 1 usec code 127 FFT 512 ncoh 128 bandwidth 61.3 Hz resolution 0.12 Hz TXOFF +8 Hz -> echo would be centered at 256 + 67=323 ------------------------------------------------------------------------------- 0.25-usec ranging baud 0.25 usec code 255 FFT 128 ncoh 16 bandwidth 980 Hz resolution 7.7 Hz TXOFF +80 Hz -> echo would be centered at 64 + 10 = 74 ------------------------------------------------------------------------------- 0.125-usec ranging baud 0.125 usec code 255 FFT 128 ncoh 32 bandwidth 980 Hz resolution 7.7 Hz TXOFF +80 Hz -> echo would be centered at 64 + 10 = 74 _____________________________________________________________________ POSSIBLE RANGING SETUPS: (code=127, FFT=64, single-pol'n) These are from JX, w/ max-band (min-acc) options from Ray Jurgens. Currently configured for 5-sec records. _______________________________________________________________________ Setup Baud RP 1-acc 1-acc usec m usec band res acc band res _______________________________________________________________________ JX1XS110 11.000 1650 1397.0 715.8 11.2 2 358 5.6 JX1XS070 7.000 1050 889.0 1124.9 17.6 3 375 5.9 JX1XS020 2.000 300 254.0 3937.0 61.5 12 328 5.1 4 984 15.4 JX1XS010 1.000 150 127.0 7874.0 123.0 41 192 3.0 8 984 15.4 JX1XS005 0.500 75 63.5 15748.0 246.1 123 128 2.0 15 1050 16.4 JX1XS002 0.250 37.5 31.75 31496.1 492.1 492 64 1.0 30 1050 16.4 JX1XS001 0.125 18.75 15.875 62992.1 984.3 1970 32 0.5 60 1050 16.4 ____________________________________________________________________
OSOD and predicts are aardvark: Monostatic with the new waveform generator: /export/data3/osod/ops/a163364/PRDX.OUT.14v-14-14.s61 /PUNCH.OUT.14v-14-14.s61 /EPH.OUT.s61 POINTING TX Offsets Date (UTC) DOY hhmmss RA Dec Macro LHA Dec RTT OSOD 2013 05 19 139 210000 124.9155 -22.1703 A -3.20 -1.70 44.3 s61 2013 05 19 139 220000 125.1699 -22.3041 A -3.10 -1.70 44.2 2013 05 19 139 230000 125.4243 -22.4373 A -3.10 -1.70 44.0 2013 05 20 140 000000 125.6794 -22.5697 A -3.20 -1.70 43.9 2013 05 20 140 010000 125.9361 -22.7012 A -3.20 -1.60 43.8 2013 05 20 140 020000 126.1951 -22.8318 A -3.10 -1.60 43.7 2013 05 20 140 030000 126.4573 -22.9615 A -3.20 -1.60 43.6 Transmit offsets are given in millidegrees.
PRDX.OUT.14f-14-14.s61 RECEIVER U.T. RANGE DOPPLER LHA DEC RA EL 2013 MAY 19 21:00 44.2904241444 295091.585 310.8872 -22.1703 124.916 15.975 2013 MAY 19 21:10 44.2697740572 294119.766 313.3516 -22.1926 124.958 17.397 2013 MAY 19 21:20 44.2491930278 293121.144 315.8160 -22.2150 125.000 18.773 2013 MAY 19 21:30 44.2286829029 292096.839 318.2804 -22.2373 125.043 20.098 2013 MAY 19 21:40 44.2082454492 291048.013 320.7449 -22.2596 125.085 21.370 2013 MAY 19 21:50 44.1878823290 289975.876 323.2094 -22.2819 125.128 22.585 2013 MAY 19 22:00 44.1675951395 288881.676 325.6738 -22.3041 125.170 23.741 2013 MAY 19 22:10 44.1473853822 287766.704 328.1383 -22.3264 125.212 24.835 2013 MAY 19 22:20 44.1272544667 286632.287 330.6027 -22.3486 125.255 25.862 2013 MAY 19 22:30 44.1072037011 285479.785 333.0672 -22.3708 125.297 26.820 2013 MAY 19 22:40 44.0872343186 284310.592 335.5316 -22.3930 125.339 27.706 2013 MAY 19 22:50 44.0673474322 283126.131 337.9961 -22.4152 125.382 28.516 2013 MAY 19 23:00 44.0475440613 281927.852 340.4605 -22.4373 125.424 29.246 2013 MAY 19 23:10 44.0278251301 280717.228 342.9249 -22.4595 125.467 29.896 2013 MAY 19 23:20 44.0081914371 279495.754 345.3893 -22.4816 125.509 30.460 2013 MAY 19 23:30 43.9886436971 278264.945 347.8536 -22.5037 125.552 30.938 2013 MAY 19 23:40 43.9691825107 277026.329 350.3179 -22.5257 125.594 31.326 2013 MAY 19 23:50 43.9498083713 275781.448 352.7822 -22.5477 125.637 31.624 2013 MAY 20 00:00 43.9305216706 274531.855 355.2465 -22.5697 125.679 31.830 2013 MAY 20 00:10 43.9113226700 273279.109 357.7107 -22.5917 125.722 31.942 2013 MAY 20 00:20 43.8922115502 272024.773 0.1748 -22.6137 125.765 31.960 2013 MAY 20 00:30 43.8731883604 270770.412 2.6389 -22.6356 125.808 31.885 2013 MAY 20 00:40 43.8542530477 269517.589 5.1030 -22.6575 125.850 31.716 2013 MAY 20 00:50 43.8354054425 268267.862 7.5669 -22.6794 125.893 31.454 2013 MAY 20 01:00 43.8166452876 267022.782 10.0309 -22.7012 125.936 31.101 2013 MAY 20 01:10 43.7979722033 265783.890 12.4947 -22.7231 125.979 30.658 2013 MAY 20 01:20 43.7793856882 264552.712 14.9585 -22.7449 126.022 30.127 2013 MAY 20 01:30 43.7608851554 263330.761 17.4222 -22.7666 126.065 29.511 2013 MAY 20 01:40 43.7424699060 262119.528 19.8859 -22.7884 126.108 28.813 2013 MAY 20 01:50 43.7241391372 260920.484 22.3494 -22.8101 126.152 28.034 2013 MAY 20 02:00 43.7058919508 259735.075 24.8129 -22.8318 126.195 27.179 2013 MAY 20 02:10 43.6877273271 258564.721 27.2763 -22.8535 126.239 26.250 2013 MAY 20 02:20 43.6696441762 257410.811 29.7396 -22.8751 126.282 25.250 2013 MAY 20 02:30 43.6516412839 256274.702 32.2028 -22.8968 126.326 24.183 2013 MAY 20 02:40 43.6337173629 255157.717 34.6659 -22.9184 126.370 23.053 2013 MAY 20 02:50 43.6158710347 254061.141 37.1289 -22.9399 126.413 21.862 2013 MAY 20 03:00 43.5981008108 252986.219 39.5918 -22.9615 126.457 20.613
2002 OD20 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 183-610 | 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/2002OD20/2002OD20_planning.html