2011 CP4 Goldstone Radar Observations Planning


Background


2011 CP4 was discovered by Pan-STARRS 1 on Haleakala on February 2, 2011. 
Not much is known about this Aten-class Potentially Hazardous Asteroid except that its absolute 
magnitude of 21.2 suggests a diameter of ~180 m (within a factor of two). 

2011 CP4 has a highly eccentric orbit (e = 0.87) with a perihelion of only 0.118 AU, which
is well inside the orbit of Mercury and also the second smallest perihelion of any asteroid we've ever
tried to observe with radar (after 2000 BD19, with q = 0.092 AU).  2011 CP4 will approach within only 
9.1 lunar distances (0.023 AU) on February 23, 2012, when it will be a good radar target at Goldstone
and an excellent imaging target at Arecibo.  2011 CP4 also makes frequent approaches within 
10 - 30 lunar distances of Mercury and Venus.  Due to its very low perihelion distance, this object
may be a good test of Einstein's theory of general relativity if we can obtain radar ranging
measurements.  Ranging measurements are thus a high priority for this campaign.
 
2011 CP4 will also be a good optical target for a few days around the close approach when it brightens 
to about 16th magnitude.  Shortly afterward it will get too close to the Sun to observe with optical
telescopes.

New astrometry was reported for this object on January 31, 2012 using precovery observations obtained by the 
JPL NEAT program in 2002 and from new measurements obtained at the Astronomical Research Observatory in
Westfield, Illinois (station H21) in 2012.  The new observations extended the arc from 30 days to ten years
and dramatically shrank the orbital uncertainties.  The pointing is now good enough for radar observations.

Orbital and Physical Characteristics  
 orbit type               Aten
 semimajor axis           0.911  AU     
 eccentricity             0.870 
 inclination              9.44 deg       
 perihelion distance      0.118 AU     
 aphelion distance        1.705 AU     
 absolute magnitude (H)   21.2
 diameter                 ~0.18 km (+- a factor of two) 
 rotation period          unknown
 pole direction           unknown 
 lightcurve amplitude     unknown
 spectral class           unknown

Last update: 2012 Feb 21

Discovery MPEC

 M.P.E.C. 2011-C24                                Issued 2011 Feb. 6, 05:46 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://www.minorplanetcenter.org/iau/mpc.html  ISSN 1523-6714

                                   2011 CP4

Observations:
     K11C04P* C2011 02 02.50235 09 30 59.799+09 26 34.34         21.8 wLEC024F51
     K11C04P  C2011 02 02.51749 09 30 55.876+09 26 55.27         21.7 wLEC024F51
     K11C04P  C2011 02 02.53342 09 30 51.780+09 27 17.35         21.7 wLEC024F51
     K11C04P  C2011 02 05.36374 09 18 28.83 +10 34 26.3          21.0 VrEC024G96
     K11C04P  C2011 02 05.37067 09 18 26.92 +10 34 36.5          20.9 VrEC024G96
     K11C04P  C2011 02 05.37764 09 18 24.87 +10 34 47.7          21.9 VrEC024G96
     K11C04P  C2011 02 05.38463 09 18 23.07 +10 34 56.9          21.1 VrEC024G96
     K11C04P  C2011 02 06.19201 09 14 42.49 +10 54 43.0          21.2 VoEC024291
     K11C04P HC2011 02 06.19577 09 14 41.48 +10 54 48.4                oEC024291
     K11C04P  C2011 02 06.19956 09 14 40.39 +10 54 54.1          21.6 VoEC024291

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
    J. Thiel, T. Goggia.  Measurer PS1 Science Consortium.  1.8-m
    Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observers A. Gibbs, .. Birtwhistle.  Measurers
    J. D. Ahern, E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs,
    A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
    1.5-m reflector + CCD.

Orbital elements:
2011 CP4                                            PHA, Earth MOID = 0.0183 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M 242.23445              (2000.0)            P               Q
n   1.13981847     Peri.  158.91097     +0.61228153     +0.78658417
a   0.9076371      Node   148.68245     -0.74564028     +0.60811155
e   0.8572510      Incl.    8.85133     -0.26292947     +0.10717130
P   0.86           H   21.3           G   0.15           U   9
Residuals in seconds of arc
110202 F51  0.0   0.1-    110205 G96  0.4+  0.3-    110206 291  0.4+  0.1-
110202 F51  0.1-  0.0     110205 G96  1.4-  0.8+    110206 291  0.0   0.0
110202 F51  0.1+  0.1+    110205 G96  0.7+  0.2-
110205 G96  0.3+  0.4-    110206 291  0.3-  0.1+

Ephemeris:
2011 CP4                 a,e,i = 0.91, 0.86, 9                   q = 0.1296
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 01 07    10 40 03.0 +03 08 24   0.8850  1.6628   125.7    28.7    23.4
...
2011 01 22    10 11 07.8 +05 43 41   0.6996  1.6219   148.4    18.5    22.5
...
2011 01 30    09 45 00.5 +08 09 20   0.6228  1.5913   163.1    10.4    21.9
...
2011 02 05    09 20 07.7 +10 25 42   0.5803  1.5642   174.0     3.8    21.4
2011 02 06    09 15 35.1 +10 50 05   0.5747  1.5593   175.0     3.2    21.4
2011 02 07    09 10 56.6 +11 14 47   0.5695  1.5543   175.1     3.1    21.3
...
2011 02 13    08 41 28.5 +13 46 02   0.5476  1.5223   164.7     9.8    21.5
...
2011 02 21    08 00 39.7 +16 55 52   0.5431  1.4735   146.8    21.6    21.9
...
2011 03 08    06 55 22.5 +21 05 26   0.5943  1.3620   116.0    40.9    22.4

Carl W. Hergenrother         (C) Copyright 2011 MPC           M.P.E.C. 2011-C24


SNR Calculation

Target Name:   2011 CP4

D = 0.18 km  
Period = 2.2 hr  
OC albedo = 0.100

                 UT                           #                    max
 start date    window      RA, dec   dist   runs        SNR      SNR/run
------------------------------------------------------------------------
2012 Feb 20  06:43-16:12   204,  +7  0.059   299         13         1
2012 Feb 21  06:55-17:01   212, +12  0.043   422         47         3
2012 Feb 22  07:26-18:54   230, +21  0.030   656        220         9
2012 Feb 23  09:14-22:45   275, +33  0.023   904        580        22
2012 Feb 24  12:41-00:47   320, +28  0.031   657        180         8
2012 Feb 25  14:26-01:24   338, +21  0.046   434         40         2
2012 Feb 26  15:11-01:38   346, +17  0.062   314         12         1


Goldstone SNRs assume Ptx = 450 kW 

Track Assignments


Goldstone tracks:

        UT          UT          PST                    Duration    Round-trip     
DOY     Date        TX Window   TX Window                hh:mm     time (sec)     SNR/Run 
---     ----        ---------   ---------              ---------    ---------     -------
053     Feb 22      0915-1520   0115-0720  Feb 22        06:05         30            9
054     Feb 23      0920-1415   0120-0615  Feb 23        04:55         23           22
055     Feb 24      1400-1630   0600-0830  Feb 24        02:30         30            8

TXON at the earliest.

Scheduled Arecibo tracks:

        UT          UT          AST                PST                 Duration    Round-trip     
DOY     Date        TX Window   TX Window          TX Window             hh:mm     time (sec)     SNR/Run 
---     ----        ---------   ---------          ---------           ---------   ----------    ---------
052     Feb 21      0711-0945   0311-0545 Feb 21   2311-0145 Feb 20/21   02:34        46             51
053     Feb 22	    0757-1054   0357-0654 Feb 22   2357-0254 Feb 21/22   02:57        32            180
054     Feb 23	    1051-1312   0651-0912 Feb 23   0251-0512 Feb 23      02:21        23            490
055     Feb 24	    1400-1635   1000-1235 Feb 24   0600-0835 Feb 24      02:35        30            220
056     Feb 25	    1508-1758   1108-1358 Feb 25   0708-0958 Feb 25      02:50        44             59


Uncertainties


From Jon Giorgini, 2012 Feb 21:

With 84 optical measurements (2002-Jan-10 to 2012-Feb-20)
and the just-reported delay and Doppler from Arecibo, orbit
solution #26 was computed. 

OSOD and nominal GSSR predicts are on aardvark in the /2011cp4
sub-dorectory.

Formal 2011 CP4 s26 3-sigma X-band plane-of-sky uncertainties are:

 Date__(UT)__HR:MN  POS_3sigma   DOP_X_3sig  RT_delay_3sig
 2012-Feb-22 00:00       1.695         3.50       0.000018
 2012-Feb-23 00:00       2.395         6.58       0.000067
 2012-Feb-24 00:00       2.398         3.69       0.000122
 2012-Feb-25 00:00       1.733         1.73       0.000133

- - - - - - - - - - - - - - - - - - - 

From JPL/Horizons, 2012 Feb 13, Solution #18, #obs = 67 (2002-2012):

 Date__(UT)__HR:MN     R.A._(J2000.0)_DEC.            delta POS_3sigma  DOP_S_3sig  DOP_X_3sig  RT_delay_3sig
 2012-Feb-15 00:00     191.89149  -0.98044 0.15319492998443      2.278        0.73        2.64       0.001846
 2012-Feb-16 00:00     192.90929  -0.37743 0.13572434579558      2.640        0.75        2.72       0.001862
 2012-Feb-17 00:00     194.20109   0.41184 0.11834836434501      3.118        0.85        3.11       0.001871
 2012-Feb-18 00:00     195.90904   1.47941 0.10110027543180      3.777        1.16        4.22       0.001871
 2012-Feb-19 00:00     198.28912   2.98856 0.08404186305713      4.737        1.87        6.81       0.001855
 2012-Feb-20 00:00     201.84892   5.25371 0.06729877503569      6.243        3.45       12.54       0.001807
 2012-Feb-21 00:00     207.73315   8.93854 0.05116078843959      8.848        7.19       26.14       0.001691
 2012-Feb-22 00:00     218.98506  15.51082 0.03641861409040     13.820       17.34       63.01       0.001411
 2012-Feb-23 00:00     244.51766  26.77990 0.02558800929684     21.876       41.41      150.49       0.000931
 2012-Feb-24 00:00  m  291.69368  32.85778 0.02454240446021     20.395       39.02      141.81       0.001621
 2012-Feb-25 00:00  m  324.80180  26.19499 0.03419698849898     11.501       13.76       50.00       0.002275
 2012-Feb-26 00:00  m  339.12784  20.32641 0.04855262997998      7.387        5.63       20.45       0.002471
 2012-Feb-27 00:00  m  346.18138  16.76470 0.06456368888829      5.506        3.12       11.33       0.002548
 2012-Feb-28 00:00  m  350.24997  14.50959 0.08127944152651      4.442        2.13        7.75       0.002599
 2012-Feb-29 00:00  m  352.86397  12.97474 0.09836635610108      3.749        1.72        6.25       0.002644
 2012-Mar-01 00:00  m  354.66981  11.86373 0.11568816723302      3.260        1.57        5.71       0.002690

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 

From JPL/Horizons, 2012 Jan 31, Solution #15, #obs = 55 (2002-2012):

 Date__(UT)__HR:MN     R.A._(J2000.0)_DEC.    delta            POS_3sigma  DOP_S_3sig  DOP_X_3sig  RT_delay_3sig
 2012-Feb-15 00:00 *   191.88084  -0.98468 0.15321002070799      5.054        4.03       14.63       0.005381
 2012-Feb-16 00:00 *   192.89727  -0.38228 0.13573923469269      5.790        4.20       15.25       0.005511
 2012-Feb-17 00:00 *   194.18729   0.40617 0.11836287589390      6.744        4.45       16.18       0.005640
 2012-Feb-18 00:00 *   195.89279   1.47262 0.10111414149722      8.033        4.89       17.78       0.005766
 2012-Feb-19 00:00 *   198.26935   2.98018 0.08405464555702      9.877        5.78       21.01       0.005881
 2012-Feb-20 00:00 *   201.82372   5.24291 0.06730969304535     12.744        7.90       28.71       0.005966
 2012-Feb-21 00:00 *m  207.69875   8.92402 0.05116828474651     17.807       13.90       50.50       0.005963
 2012-Feb-22 00:00 *m  218.93368  15.49155 0.03641918084605     28.482       33.90      123.20       0.005663
 2012-Feb-23 00:00 *m  244.44205  26.76627 0.02557418158518     51.475       97.78      355.37       0.004362
 2012-Feb-24 00:00 *m  291.65513  32.87081 0.02451225925160     60.778      125.47      456.03       0.003173
 2012-Feb-25 00:00 *m  324.80810  26.20058 0.03416374732864     38.988       57.73      209.83       0.004798
 2012-Feb-26 00:00 *m  339.14106  20.32560 0.04852081746283     24.732       26.50       96.33       0.005785
 2012-Feb-27 00:00 *m  346.19396  16.76198 0.06453327903143     17.547       15.22       55.33       0.006317
 2012-Feb-28 00:00 *m  350.26093  14.50643 0.08124999968065     13.524       10.50       38.15       0.006672
 2012-Feb-29 00:00 *m  352.87341  12.97160 0.09833755160361     11.010        8.26       30.01       0.006952

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 

From JPL Horizons, Sep 14 2011, Solution #14, #obs 47 (30 days)

 Date__(UT)__HR:MN     POS_3sigma  DOP_S_3sig  DOP_X_3sig  RT_delay_3sig
 2012-Feb-15 00:00       3310.001      500.24     1818.09       0.256246
 2012-Feb-16 00:00       3778.899      685.44     2491.21       0.237198
 2012-Feb-17 00:00       4384.316      970.98     3528.98       0.210257
 2012-Feb-18 00:00       5193.373     1430.38     5198.64       0.171079
 2012-Feb-19 00:00       6322.664     2214.24     8047.56       0.112886
 2012-Feb-20 00:00       7987.538     3661.37    13307.08       0.046973
 2012-Feb-21 00:00      10600.822     6602.67    23997.10       0.177969
 2012-Feb-22 00:00      14825.900    12914.16    46935.90       0.506058
 2012-Feb-23 00:00      19803.285    20489.49    74468.11       1.120818
 2012-Feb-24 00:00  m   18475.930     3562.80    12948.82       1.620152
 2012-Feb-25 00:00  m   13934.603     5785.10    21025.68       1.507078
 2012-Feb-26 00:00  m   10419.699     4118.68    14969.14       1.323052
 2012-Feb-27 00:00  m    8128.295     2378.10     8643.09       1.208232
 2012-Feb-28 00:00  m    6617.725     1297.06     4714.12       1.143654
 2012-Feb-29 00:00  m    5570.959      620.24     2254.23       1.110142
 2012-Mar-01 00:00  m    4809.844      172.79      628.01       1.096723
 2012-Mar-02 00:00  m    4233.813      173.29      629.83       1.097248
 2012-Mar-03 00:00  m    3783.420      419.05     1523.02       1.108151
 2012-Mar-04 00:00  m    3421.749      623.03     2264.37       1.127280
 2012-Mar-05 00:00  m    3124.825      798.98     2903.86       1.153308
 2012-Mar-06 00:00  m    2876.464      957.42     3479.70       1.185408
 2012-Mar-07 00:00  m    2665.369     1105.47     4017.79       1.223079
 2012-Mar-08 00:00  m    2483.428     1248.17     4536.40       1.266037
 2012-Mar-09 00:00  m    2324.663     1389.24     5049.11       1.314156
 2012-Mar-10 00:00       2184.574     1531.65     5566.70       1.367431


******************************************************************************************
Apparent Magnitudes and Solar Elongations:

 Date__(UT)__HR:MN     R.A._(J2000.0)_DEC.  APmag            delta    S-O-T /r
 2012-Jan-18 00:00     182.50012  -3.02041  22.57 0.66115100019437  113.5955 /L
 2012-Jan-19 00:00     182.73849  -3.07472  22.49 0.64256689279225  114.3738 /L
 2012-Jan-20 00:00     182.97607  -3.12547  22.41 0.62400139585754  115.1542 /L
 2012-Jan-21 00:00     183.21302  -3.17246  22.33 0.60545672531782  115.9367 /L
 2012-Jan-22 00:00     183.44952  -3.21544  22.25 0.58693506957598  116.7211 /L
 2012-Jan-23 00:00     183.68582  -3.25416  22.17 0.56843855618543  117.5074 /L
 2012-Jan-24 00:00     183.92218  -3.28834  22.08 0.54996922085119  118.2952 /L
 2012-Jan-25 00:00     184.15896  -3.31767  21.99 0.53152898286360  119.0845 /L
 2012-Jan-26 00:00     184.39652  -3.34180  21.90 0.51311962938978  119.8749 /L
 2012-Jan-27 00:00     184.63536  -3.36034  21.80 0.49474280870517  120.6663 /L
 2012-Jan-28 00:00     184.87600  -3.37285  21.70 0.47640003049760  121.4581 /L
 2012-Jan-29 00:00     185.11910  -3.37882  21.60 0.45809267047966  122.2500 /L
 2012-Jan-30 00:00     185.36541  -3.37767  21.49 0.43982197670627  123.0416 /L
 2012-Jan-31 00:00     185.61582  -3.36873  21.38 0.42158907580995  123.8321 /L
 2012-Feb-01 00:00     185.87141  -3.35121  21.27 0.40339497839700  124.6210 /L
 2012-Feb-02 00:00     186.13344  -3.32418  21.15 0.38524058385097  125.4073 /L
 2012-Feb-03 00:00     186.40345  -3.28654  21.02 0.36712668572063  126.1900 /L
 2012-Feb-04 00:00     186.68327  -3.23700  20.89 0.34905397978654  126.9679 /L
 2012-Feb-05 00:00     186.97517  -3.17397  20.76 0.33102307791132  127.7394 /L
 2012-Feb-06 00:00     187.28192  -3.09551  20.62 0.31303453183629  128.5025 /L
 2012-Feb-07 00:00     187.60695  -2.99925  20.47 0.29508887208592  129.2548 /L
 2012-Feb-08 00:00     187.95460  -2.88219  20.31 0.27718666790037  129.9932 /L
 2012-Feb-09 00:00     188.33035  -2.74055  20.14 0.25932861475207  130.7136 /L
 2012-Feb-10 00:00     188.74129  -2.56945  19.96 0.24151565743170  131.4108 /L
 2012-Feb-11 00:00     189.19676  -2.36252  19.78 0.22374916111450  132.0777 /L
 2012-Feb-12 00:00     189.70924  -2.11122  19.58 0.20603115390552  132.7045 /L
 2012-Feb-13 00:00     190.29588  -1.80388  19.36 0.18836468749100  133.2776 /L
 2012-Feb-14 00:00     190.98083  -1.42416  19.13 0.17075440692389  133.7774 /L
 2012-Feb-15 00:00     191.79922  -0.94836  18.87 0.15320750659774  134.1745 /L
 2012-Feb-16 00:00     192.80406  -0.34092  18.60 0.13573542771209  134.4232 /L
 2012-Feb-17 00:00     194.07914   0.45406  18.29 0.11835705518264  134.4492 /L
 2012-Feb-18 00:00     195.76474   1.52931  17.94 0.10110516855131  134.1239 /L
 2012-Feb-19 00:00     198.11364   3.04939  17.56 0.08404063483281  133.2075 /L
 2012-Feb-20 00:00     201.62752   5.33150  17.12 0.06728731236509  131.2091 /L
 2012-Feb-21 00:00     207.43993   9.04678  16.62 0.05113114188717  126.9995 /L
 2012-Feb-22 00:00     218.57913  15.68907  16.14 0.03635416376691  117.6447 /L
 2012-Feb-23 00:00     244.04444  27.15925  16.06 0.02546007937031   95.9176 /L
 2012-Feb-24 00:00     291.72431  33.38715  17.75 0.02436719294010   60.6242 /L
 2012-Feb-25 00:00     325.09564  26.50380   n.a. 0.03403834799627   37.8952 /L
 2012-Feb-26 00:00     339.38967  20.50693   n.a. 0.04841530314960   29.6060 /T
 2012-Feb-27 00:00     346.39407  16.88737   n.a. 0.06443915885787   26.5380 /T


Setups




CW setup:
----------------------------------------------------------------------------
in the case of large Doppler uncertainty:

TX polarization           RCP
RCV polarization          LCP & RCP
Frequency hops:           no hops, +1kHz offset                           
Bandwidth:                8000 Hz 
Sampling interval:        625 x 0.1 usec
VME FFT for PSD files:    4096 for 3.9-Hz resolution 
---------------------------------------------------------------------------
TX polarization           RCP
RCV polarization          LCP & RCP
Frequency hops:           no hops, +0.5kHz offset                       
Bandwidth:                2000 Hz 
Sampling interval:        2500 x 0.1 usec
VME FFT for PSD files:    32768 for 0.12 Hz resolution 

Ranging setups:
---------------------------------------------------------------------------
127 x 64 10-usec
baud             10 usec
code            127
PRP            1270 usec
FFT              64   
ncoh              1 
bandwidth       787 Hz   
resolution     12.3 Hz
TXOFF          +150 Hz  (echo in bin 32+12=44)
---------------------------------------------------------------------------
127 x 64 11-usec 
baud             11 usec
code            127
PRP            1397 usec
FFT              64  
ncoh              1 
bandwidth       717 Hz   
resolution     11.2 Hz
TXOFF          +150 Hz  (echo in bin 32+13=45) 
-------------------------------------------------------------------------
1-usec 
baud              1 usec
code            255
ncoh             15 
bandwidth       256 Hz
FFT            256 
resolution      1 Hz
TXoff           +20 Hz  (echo in bin 64+16=80)
-------------------------------------------------------------------------------
Tentatively:

0.25-usec imaging  

baud           0.25 usec
code            255
FFT             256
ncoh             32
bandwidth       490 Hz    
resolution      1.9 Hz
TXOFF           +50 Hz  (echo in bin 128+26=154)

---------------------------------
0.125-usec imaging 

baud          0.125 usec
code            255  
FFT             256 
ncoh             64
bandwidth       490 Hz      
resolution      1.9 Hz
TXOFF           +50 Hz  (echo in bin 128+26=154) 
_____________________________________________________________________
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 
____________________________________________________________________


Instructions

NOTE: Data should be moved to the appropriate subdirectories in aardvark:/export/data0/2011CP4/raw/

2011 CP4 POINTING:

  OSOD and predicts are on aardvark:

CW and binary phase coding:
/export/data3/osod/ops/2011cp4/PRDX.OUT.14f-14-14.s36
                             /PUNCH.OUT.14f-14-14.s36
                              /EPH.OUT.s36

Chirping:
/export/data3/osod/ops/2011cp4/PRDX.OUT.14v-14-14.s36
                             /PUNCH.OUT.14v-14-14.s36


POINTING  
                                                          TX Offsets    
Date (UTC)   DOY  hhmmss    RA        Dec         Macro   LHA     Dec    RTT    OSOD
2012 02 24   055  140000    314.4761  29.4144       A                    28.2  
2012 02 24   055  150000    315.7097  29.1023       A                    29.6  
2012 02 24   055  160000    316.8953  28.7873       A    -9.70   -2.60   30.1   s36  
2012 02 24   055  170000    318.0353  28.4704       A                    30.5  
2012 02 24   055  180000    319.1320  28.1520       A                    31.0  

Transmit offsets are given in millidegrees.  


PRDX.OUT.s36 TRANSMITTER: STATION #14, RECEIVER: STATION #14 RECEIVER U.T. RANGE DOPPLER LHA DEC RA EL 2012 FEB 24 14:00 29.1899897054 -1029541.302 292.4970 29.4144 314.476 33.799 2012 FEB 24 14:10 29.2623250867 -1034426.765 294.7948 29.3626 314.685 35.595 2012 FEB 24 14:20 29.3350026134 -1039303.790 297.0940 29.3107 314.893 37.401 2012 FEB 24 14:30 29.4080216834 -1044172.224 299.3946 29.2587 315.099 39.215 2012 FEB 24 14:40 29.4813816932 -1049031.871 301.6965 29.2067 315.304 41.038 2012 FEB 24 14:50 29.5550820191 -1053882.493 303.9998 29.1545 315.507 42.869 2012 FEB 24 15:00 29.6291220186 -1058723.807 306.3044 29.1023 315.710 44.707 2012 FEB 24 15:10 29.7035010225 -1063555.487 308.6104 29.0500 315.911 46.551 2012 FEB 24 15:20 29.7782183540 -1068377.167 310.9177 28.9976 316.110 48.401 2012 FEB 24 15:30 29.8532732869 -1073188.438 313.2263 28.9451 316.308 50.256 2012 FEB 24 15:40 29.9286650816 -1077988.850 315.5362 28.8926 316.505 52.115 2012 FEB 24 15:50 30.0043929544 -1082777.914 317.8474 28.8400 316.701 53.977 2012 FEB 24 16:00 30.0804561027 -1087555.101 320.1598 28.7873 316.895 55.842 2012 FEB 24 16:10 30.1568536631 -1092319.845 322.4736 28.7346 317.088 57.708 2012 FEB 24 16:20 30.2335847481 -1097071.542 324.7886 28.6819 317.280 59.573 2012 FEB 24 16:30 30.3106484209 -1101809.552 327.1048 28.6291 317.471 61.437 2012 FEB 24 16:40 30.3880436984 -1106533.201 329.4223 28.5762 317.660 63.297 2012 FEB 24 16:50 30.4657695496 -1111241.780 331.7410 28.5233 317.848 65.151 2012 FEB 24 17:00 30.5438248922 -1115934.550 334.0609 28.4704 318.035 66.996 2012 FEB 24 17:10 30.6222085912 -1120610.739 336.3821 28.4174 318.221 68.827 2012 FEB 24 17:20 30.7009194508 -1125269.548 338.7044 28.3644 318.406 70.640 2012 FEB 24 17:30 30.7799562350 -1129910.147 341.0279 28.3113 318.589 72.426 2012 FEB 24 17:40 30.8593176264 -1134531.683 343.3525 28.2582 318.771 74.175 2012 FEB 24 17:50 30.9390022693 -1139133.277 345.6784 28.2051 318.952 75.872 2012 FEB 24 18:00 31.0190087230 -1143714.027 348.0053 28.1520 319.132 77.492

2011CP4 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 300-233 | FAX: (818) 354-9476 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/2011CP4/2011CP4_planning.html

Asteroid Radar Astronomy