2002 VE68 Goldstone Radar Observations Planning


Background


2002 VE68 was discovered on Nov. 11, 2002 by the Lowell Observatory-LONEOS Survey in
Arizona.  Mikkola et al. (2004) reported that this asteroid is currenty a quasi-satellite of Venus.
This object has an absolute magnitude of 20.4, suggesting a diameter within a factor of two of 260 meters.
2002 VE68 was previously observed at Goldstone in 2002 as Doppler-only target. 
It has a slow rotation period of 13.5 hours and very high SC/OC polarization ratio (~1), 
suggesting that its near-surface is extremely rough.

The lightcurve amplitude of 0.8 mag suggests a very elongated shape.

2002 VE68 will approach within 0.035 AU (13.6 lunar distances) on Nov. 7, 2010, when
it will be a strong radar target.  

2002 VE68 will brighten below 15th magnitude between Nov. 5-11.

We orignally had nine tracks scheduled at Goldstone, but seven have been cancelled
due to unresolved problems from the time DSS-14 was down this year for maintenance.

We now have two tracks scheduled Goldstone on Nov. 8 and 9.
Observations are scheduled at Arecibo from Nov. 9-13, but may or may not
occur due to problems with the transmitter system.

2002 VE68 has been classified as a "Potentially Hazardous Asteroid" by the 
Minor Planet Center.
Orbital and Physical Characteristics  
 orbit type               Aten
 semimajor axis           0.724 AU     
 eccentricity             0.41
 inclination              9.0 deg       
 perihelion distance      0.427 AU     
 aphelion distance        1.021 AU     
 absolute magnitude (H)   20.4
 diameter                 0.26 km   (plus/minus a factor of two)
 rotation period          13.3 h   B. Skiff, pers. comm.
 pole direction           unknown  
 lightcurve amplitude     1.2      B. Skiff, pers. comm.
 spectral class           most likely E or V due to the high circular polarization ratio (Benner et al. 2008) 

Last update: 2010 Nov 8

First MPEC

 M.P.E.C. 2002-V52                                Issued 2002 Nov. 11, 18:21 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 VE68

Observations:
     K02V68E* C2002 11 11.18225 01 05 00.91 +26 34 22.8          14.1 R      699
     K02V68E  C2002 11 11.20069 01 04 37.98 +26 27 11.6                      699
     K02V68E  C2002 11 11.21913 01 04 15.19 +26 20 02.0                      699
     K02V68E  C2002 11 11.23756 01 03 52.34 +26 12 46.8                      699
     K02V68E  C2002 11 11.32917 01 02 01.26 +25 36 45.5          14.2 R      699
     K02V68E  C2002 11 11.33036 01 01 59.86 +25 36 17.5                      699
     K02V68E  C2002 11 11.33154 01 01 58.45 +25 35 49.5                      699
     K02V68E  C2002 11 11.33272 01 01 57.06 +25 35 21.4                      699
     K02V68E  C2002 11 11.74150 00 54 58.31 +22 57 58.9          14.3 V      151
     K02V68E  C2002 11 11.74222 00 54 57.53 +22 57 42.6          14.2 V      151
     K02V68E  C2002 11 11.74344 00 54 56.19 +22 57 15.5          14.3 V      151
     K02V68E  C2002 11 11.74391 00 54 55.69 +22 57 05.0          14.3 V      151
     K02V68E  C2002 11 11.74440 00 54 55.17 +22 56 53.9          14.3 V      151
     K02V68E  C2002 11 11.74722 00 54 52.10 +22 55 50.9          14.3 V      151
     K02V68E  C2002 11 11.74778 00 54 51.49 +22 55 38.5          14.3 V      151
     K02V68E  C2002 11 11.74830 00 54 50.95 +22 55 27.0          14.2 V      151
     K02V68E  C2002 11 11.74878 00 54 50.41 +22 55 15.9          14.3 V      151
     K02V68E  C2002 11 11.74931 00 54 49.85 +22 55 04.5          14.3 V      151

Observer details:
151 Eschenberg Observatory, Winterthur.  Observer M. Griesser.  0.40-m f/5.8
    Hypergraph + CCD.
699 Lowell Observatory-LONEOS.  Observer B. A. Skiff.  0.59-m LONEOS Schmidt
    + CCD.

Orbital elements:
2002 VE68                                                            PHA 0.019D
Epoch 2002 Nov. 22.0 TT = JDT 2452600.5                 MPC
M 198.44514              (2000.0)            P               Q
n   1.60202916     Peri.  355.59138     -0.67766407     +0.72511668
a   0.7233621      Node   231.68971     -0.66983164     -0.67733840
e   0.4110370      Incl.    8.97285     -0.30347483     -0.12417120
P   0.62           H   20.2           G   0.15           U   9
Residuals in seconds of arc
021111 699  0.4-  0.6-    021111 699  0.1-  0.0     021111 151  0.1+  0.1-
021111 699  0.3-  0.6-    021111 699  0.0   0.2-    021111 151  0.1-  0.1-
021111 699  0.9+  2.0+    021111 151  0.1+  0.1+    021111 151  0.2-  0.0
021111 699  0.1-  0.5-    021111 151  0.1+  0.1-    021111 151  0.2+  0.1+
021111 699  0.1-  0.1-    021111 151  0.2-  0.1+    021111 151  0.1-  0.3-
021111 699  0.1+  0.0     021111 151  0.0   0.1+    021111 151  0.1+  0.2+

Ephemeris:
2002 VE68                a,e,i = 0.72, 0.41, 9                   q = 0.4260
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2002 11 12    00 50.51   +21 23.8    0.036    1.021   147.5    31.4    14.4
2002 11 13    00 35.65   +15 32.0    0.038    1.020   142.6    36.1    14.6
.
.

2002 12 31    22 42.57   -31 01.9    0.226    0.870    54.0   113.8    21.1
2003 01 01    22 40.89   -31 13.6    0.229    0.864    52.7   115.1    21.2

Timothy B. Spahr             (C) Copyright 2002 MPC           M.P.E.C. 2002-V52


SNR Calculation

Target Name:    2002 VE68
HMag:           20.4
Diameter:       0.26 km  (plus/minus a factor of two)
Period:         13.5 h      
                                              #           max
 Start date  UT  window    RA, dec  dist    runs   SNR  SNR/run
----------------------------------------------------------------
2010 Oct 31  03:05-19:50   94,  68  0.048    547    210     10
2010 Nov 01  02:09-18:57   82,  69  0.045    584    270     13
2010 Nov 02  01:16-17:48   69,  68  0.042    608    350     16
2010 Nov 03  00:32-16:28   55,  66  0.040    613    430     19
2010 Nov 04  00:01-15:09   42,  63  0.038    604    520     23
2010 Nov 04  23:41-13:58   32,  58  0.037    584    590     27
2010 Nov 05  23:28-12:57   23,  53  0.036    559    630     29
2010 Nov 06  23:21-12:06   17,  46  0.035    529    630     30
2010 Nov 07  23:17-11:22   11,  39  0.036    495    580     29
2010 Nov 08  23:15-10:45    7,  32  0.037    459    500     26
2010 Nov 09  23:15-10:12    4,  26  0.038    421    420     22
2010 Nov 10  23:16-09:44    1,  20  0.041    384    330     18
2010 Nov 11  23:17-09:19  359,  15  0.043    348    250     15
2010 Nov 12  23:18-08:56  358,  10  0.046    316    190     12


Goldstone SNRs assume Ptx = 430 kW 

Track Assignments


Goldstone tracks:

        UT          UT          PDT/PST                 Duration  Round-trip
DOY     Date        TX Window   TX Window               hh:mm     time (sec)  SNR/Run 
---     ----        ---------   ---------               --------- -------     -------
305     Nov 01      0540 1430   2240 0730  Oct 31/Nov 1   8:50      45           13  CANCELLED
306     Nov 02      0555 0725   2255 0025  Nov 1/2        1:30      43           16  CANCELLED
308     Nov 04      0245 0445   1945 2145  Nov 3          2:00      38           23  CANCELLED
310     Nov 06      0700 1005   0000 0305  Nov 6          3:05      35           30  CANCELLED
311     Nov 07      0535 0910   2235 0110  Nov 6/7        3:35      35           29  CANCELLED
312     Nov 08      0800 1105   0000 0305  Nov 8          3:05      36           26  
313     Nov 09      0720 1040   2320 0240  Nov 8/9        3:20      37           22  
314     Nov 10      0430 0925   2030 0125  Nov 9/10       4:55      39           18  CANCELLED 
316     Nov 12      0520 0920   2120 0120  Nov 11/12      4:00      44           12  CANCELLED

For the track on DOY 312, we will have radiation clearance and ACSM files starting at 0800, so 
can start to transmit as soon after 0800 (when we can begin to warm up the transmitter)
as soon as we're ready.  We do not need to wait a full 90 minutes for precal.

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

Arecibo Tracks

The table below corresponds to horizons = 74 degrees at Arecibo due to
work on the platform (normally Arecibo horizons are at 70.3 deg).

Arecibo is limited to a transmit power of only about 65 kW.  Problems 
with a transformer may force cancellation of some of the early tracks.

Horizons = 74 degrees:
        UT          UT          PDT/PST             AST                Duration  Round-trip
DOY     Date        TX Window   TX Window           TX Window          hh:mm     time (sec)  SNR/Run
---     ----        ---------   ---------           ----------         --------- -------     -------
314     Nov 10      0032 0227   1632 1827  Nov 9    2032 2227  Nov 9     1:55      38          36
315     Nov 11      0008 0221   1608 1821  Nov 10   2008 2221  Nov 10    2:13      40          30
315/316 Nov 11/12   2356 0207   1556 1807  Nov 11   1956 2207  Nov 11    2:11      42          24
316/317 Nov 12/13   2351 0148   1551 1748  Nov 12   1951 2148  Nov 12    1:57      45          19
317/318 Nov 13/14   2354 0126   1554 1726  Nov 13   1954 2126  Nov 13    1:32      49          15

Arecibo SNRs assume Ptx = 65 kW


Uncertainties

From Jon Giorgini, Nov 4:
With 230 usable optical measurements (2002-Nov-11 to 2010-Nov-2)
and 4 Dopplers from 2002, 2002 VE68 solution #34 was computed.

Formal 3-sigma X-band uncertainties are below:

 Date__(UT)__HR:MN   POS_3sigma   DOP_X_3sig  RT_delay_3sig
 2010-Nov-06 00:00        2.064         1.73       0.000233
 2010-Nov-07 00:00        2.117         1.62       0.000206
 2010-Nov-08 00:00        2.088         1.49       0.000191
 2010-Nov-09 00:00        1.981         1.33       0.000191
 2010-Nov-10 00:00        1.819         1.17       0.000203
 2010-Nov-11 00:00        1.631         1.02       0.000219
 2010-Nov-12 00:00        1.442         0.90       0.000236
-----------------------------------------------------------
From Jon Giorgini, Oct 26:
With 212 optical measurements (2002-Nov-11 to 2010-Oct-20) and
4 Doppler measurements (DSS-14, 2002-Nov), 2002 VE68 solution #32
was estimated. 3-sigma formal X-band uncertainties: 

 Date__(UT)__HR:MN   POS_3sigma   DOP_X_3sig  RT_delay_3sig
 2010-Oct-31 00:00        3.521         2.12       0.000623
 2010-Nov-02 00:00        4.297         2.24       0.000513
 2010-Nov-04 00:00        5.115         2.31       0.000381
 2010-Nov-06 00:00        5.611         2.28       0.000310
 2010-Nov-08 00:00        5.370         2.11       0.000413
 2010-Nov-10 00:00        4.462         1.83       0.000583
 2010-Nov-12 00:00        3.388         1.55       0.000720
 2010-Nov-14 00:00        2.506         1.32       0.000811
-----------------------------------------------------------
From JPL Horizons, Oct 09 2010, Solution #28, #obs 210 (2002-2010 data arc)

 Date__(UT)__HR:MN      POS_3sigma  DOP_S_3sig  DOP_X_3sig  RT_delay_3sig
 2010-Oct-31 00:00          5.410        0.71        2.53       0.000839
 2010-Nov-01 00:00          5.966        0.73        2.63       0.000763
 2010-Nov-02 00:00          6.573        0.76        2.72       0.000674
 2010-Nov-03 00:00          7.199        0.78        2.81       0.000573
 2010-Nov-04 00:00          7.788        0.80        2.88       0.000471
 2010-Nov-05 00:00          8.258        0.82        2.93       0.000391
 2010-Nov-06 00:00          8.513        0.82        2.94       0.000377
 2010-Nov-07 00:00          8.478        0.81        2.90       0.000452
 2010-Nov-08 00:00          8.131        0.79        2.82       0.000580
 2010-Nov-09 00:00  m       7.522        0.75        2.70       0.000724
 2010-Nov-10 00:00  m       6.749        0.71        2.55       0.000860
 2010-Nov-11 00:00  m       5.919        0.67        2.40       0.000978
 2010-Nov-12 00:00  m       5.116        0.63        2.24       0.001076
 2010-Nov-13 00:00  m       4.391        0.59        2.09       0.001156
 2010-Nov-14 00:00  m       3.764        0.55        1.96       0.001219

Apparent Magnitudes and Solar Elongations:

 Date__(UT)__HR:MN     R.A._(J2000.0)_DEC.  APmag            delta     S-O-T /r
 2010-Oct-21 00:00  m  137.21932  55.09003  18.23 0.09032571107654   86.5822 /L
 2010-Oct-22 00:00  m  135.83098  56.03514  18.06 0.08605341769792   88.4678 /L
 2010-Oct-23 00:00  m  134.21756  57.05946  17.89 0.08179915114074   90.4551 /L
 2010-Oct-24 00:00  m  132.31868  58.17050  17.71 0.07757134383451   92.5606 /L
 2010-Oct-25 00:00  m  130.05291  59.37452  17.52 0.07338028386417   94.8040 /L
 2010-Oct-26 00:00  m  127.30888  60.67464  17.32 0.06923861788691   97.2084 /L
 2010-Oct-27 00:00     123.93241  62.06729  17.12 0.06516200671909   99.8009 /L
 2010-Oct-28 00:00     119.70925  63.53583  16.90 0.06116997396784  102.6127 /L
 2010-Oct-29 00:00     114.34499  65.03901  16.66 0.05728699024542  105.6789 /L
 2010-Oct-30 00:00     107.45398  66.49142  16.42 0.05354382482030  109.0372 /L
 2010-Oct-31 00:00      98.59589  67.73353  16.17 0.04997915500168  112.7241 /L
 2010-Nov-01 00:00      87.44814  68.49776  15.91 0.04664131819230  116.7675 /L
 2010-Nov-02 00:00      74.19753  68.40382  15.64 0.04358987201597  121.1712 /L
 2010-Nov-03 00:00      59.92510  67.04483  15.38 0.04089624338283  125.8899 /L
 2010-Nov-04 00:00      46.30776  64.16459  15.12 0.03864222113706  130.7871 /L
 2010-Nov-05 00:00      34.63498  59.78010  14.90 0.03691464971557  135.5831 /T
 2010-Nov-06 00:00      25.28671  54.14797  14.72 0.03579511462002  139.8133 /T
 2010-Nov-07 00:00      18.01889  47.66142  14.61 0.03534553286773  142.8661 /T
 2010-Nov-08 00:00      12.39537  40.76153  14.59 0.03559407015176  144.1888 /T
 2010-Nov-09 00:00  m    8.00994  33.86322  14.66 0.03652791837247  143.6095 /T
 2010-Nov-10 00:00  m    4.54561  27.29432  14.81 0.03809692009811  141.4568 /T
 2010-Nov-11 00:00  m    1.76991  21.26436  15.01 0.04022595162646  138.3160 /T
 2010-Nov-12 00:00  m  359.51532  15.86982  15.24 0.04282980843984  134.7227 /T
 2010-Nov-13 00:00  m  357.66093  11.12257  15.48 0.04582511578520  131.0377 /T
 2010-Nov-14 00:00  m  356.11856   6.98328  15.73 0.04913724119981  127.4615 /T
 2010-Nov-15 00:00  m  354.82301   3.38830  15.97 0.05270291271713  124.0879 /T
 2010-Nov-16 00:00  m  353.72532   0.26703  16.20 0.05647016853879  120.9488 /T
 2010-Nov-17 00:00  m  352.78821  -2.44852  16.42 0.06039704652301  118.0439 /T
 2010-Nov-18 00:00  m  351.98281  -4.81939  16.63 0.06444989255377  115.3576 /T
 2010-Nov-19 00:00  m  351.28651  -6.89838  16.83 0.06860172728623  112.8686 /T
 2010-Nov-20 00:00  m  350.68134  -8.73018  17.02 0.07283084207665  110.5541 /T

Setups



Due to the previous Goldstone observations in 2002, we are expecting a bandwidth
of about 1-2 Hz, so let's start with the following setup:

CW setup:
---------------------------------------------------------------------------
TX polarization           RCP
RCV polarization          LCP & RCP
Frequency hops:           2                          
Dwell                     10 seconds                      
Bandwidth:                4000 Hz 
Sampling interval:        2500 x 0.1 usec
VME FFT for PSD files:    8192 for 0.49-Hz resolution 

After we obtain CW echoes, we plan to switch to 10 and 11 usec ranging
and then imaging if the SNRs are sufficiently strong.



Ranging setups:
---------------------------------------------------------------------------
127 x 64 10-usec single sample
baud             10 usec
code            127
gates           127
PRP            1270 usec
FFT              64   
CLT       VME     ?
          PFS     ?
ncoh              4
bandwidth        196.9 Hz   
resolution       3.1 Hz
TXOFF          +50 Hz -> echo will be centered at +16 bins or in bin 32 + 16 = 48
---------------------------------------------------------------------------
127 x 64 11-usec single sample
baud             11 usec
code            127
gates           127
PRP            1397 usec
FFT              64  
CLT       VME     ?
          PFS     ?
ncoh              4
bandwidth        179.0  Hz   
resolution       2.8  Hz
TXOFF          +50 Hz --> echo will be centered at +18 bins or in bin 32 + 18 = 50
-------------------------------------------------------------------------
1-usec single sample
baud              1 usec
code              127
ncoh              20
bandwidth         393.7  Hz
FFT               128
dfreq             3.1  Hz
TXoff            +50 Hz  (echo in bin 64+16 =80)
-------------------------------------------------------------------------------
0.25-usec imaging  
baud            0.25 usec
code            127
FFT             128
ncoh            246
bandwidth       128 Hz    
resolution      1.00 Hz
TXOFF          +20  Hz, echo is in bin 64+20=84 
--------------------------------------------------------------------------
0.125-usec 
------------ 
baud           0.125 usec
code           255  
FFT            256 
ncoh           122
bandwidth      257.15 Hz      
resolution     1.0045 Hz
TXOFF          +30 Hz to put echo at 128 + 30 = bin 158 

_____________________________________________________________________
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/data0/2002VE68/raw/

2002 VE68 POINTING:

  OSOD and predicts are on aardvark:

/export/data3/osod/ops/2002ve68/PRDX.s34 
                          /PUNCH.OUT.s34
                            /EPH.OUT.s34

POINTING  
                                                   TX Offsets
Date (UTC)   DOY  hhmmss    AZ      EL      Macro   AZ    EL        RTT    OSOD
2010 11 08   312  070000  287.0677 70.326    A                      35.7   34
2010 11 08   312  080000  287.5251 58.427    A     -5.2  -2.0       35.8
2010 11 08   312  090000  290.6042 46.626    A                      35.8

2010 11 08   312  090000  290.6042 46.626    B                      35.8   34
2010 11 08   312  100000  294.9523 35.085    B     -2.7  -2.0       35.8
2010 11 08   312  110000  300.2112 23.960    B                      35.9


                                                   TX Offsets
Date (UTC)   DOY  hhmmss    AZ      EL      Macro   AZ    EL        RTT    OSOD
2010 11 09   313  070000   270.3972 65.337    A                      36.8   34 
2010 11 09   313  080000   277.3189 52.902    A     -3.8  -2.0       36.9
2010 11 09   313  090000   283.3981 40.629    AB                     37.0
2010 11 09   313  100000   289.4955 28.644     B    -2.3  -3.0       37.1
2010 11 09   313  110000   296.0378 17.097     B                     37.1

Transmit offsets are given in millidegrees.  

Note that these macros use azimuth and elevation instead of local hour angle and declination.
-----------------------------------------
Alternative pointing (in LHA and Dec)

Date (UTC) DOY  hhmmss   RA      Dec        Macro   LHA      Dec     RTT    OSOD
2010 11 09 313  070000   7.0057  31.9468      A                      36.8
2010 11 09 313  080000   6.8424  31.6648      A     1.60     -2.90   36.9    34
2010 11 09 313  090000   6.6837  31.3823      A                      37.0

2010 11 09 313  090000   6.6837  31.3823      B                      37.0
2010 11 09 313  100000   6.5303  31.0996      B     1.60      -2.90  37.1    34
2010 11 09 313  110000   6.3827  30.8173      B                      37.1

Transmit offsets are given in millidegrees.



PRDX.OUT.s34 TRANSMITTER: STATION #14, RECEIVER: STATION #14 RECEIVER U.T. RANGE DOPPLER AZI DEC RA EL 2010 NOV 09 07:20 36.8685531542 -154494.809 272.9002 31.8529 6.951 61.183 2010 NOV 09 07:30 36.8794209346 -155595.763 274.0605 31.8059 6.923 59.108 2010 NOV 09 07:40 36.8903651457 -156675.405 275.1777 31.7589 6.896 57.036 2010 NOV 09 07:50 36.9013842475 -157732.424 276.2613 31.7118 6.869 54.967 2010 NOV 09 08:00 36.9124766097 -158765.554 277.3189 31.6648 6.842 52.902 2010 NOV 09 08:10 36.9236405148 -159773.573 278.3566 31.6177 6.816 50.842 2010 NOV 09 08:20 36.9348741613 -160755.309 279.3795 31.5706 6.789 48.787 2010 NOV 09 08:30 36.9461756675 -161709.639 280.3918 31.5235 6.762 46.738 2010 NOV 09 08:40 36.9575430717 -162635.490 281.3970 31.4764 6.736 44.694 2010 NOV 09 08:50 36.9689743447 -163531.847 282.3982 31.4293 6.710 42.658 2010 NOV 09 09:00 36.9804673854 -164397.751 283.3981 31.3822 6.684 40.629 2010 NOV 09 09:10 36.9920200270 -165232.300 284.3993 31.3351 6.658 38.608 2010 NOV 09 09:20 37.0036300396 -166034.652 285.4040 31.2880 6.632 36.595 2010 NOV 09 09:30 37.0152951427 -166804.030 286.4140 31.2408 6.606 34.592 2010 NOV 09 09:40 37.0270129956 -167539.718 287.4315 31.1937 6.581 32.598 2010 NOV 09 09:50 37.0387812180 -168241.064 288.4580 31.1466 6.555 30.615 2010 NOV 09 10:00 37.0505973775 -168907.486 289.4955 31.0995 6.530 28.644 2010 NOV 09 10:10 37.0624590081 -169538.466 290.5454 31.0524 6.505 26.684 2010 NOV 09 10:20 37.0743636122 -170133.556 291.6094 31.0053 6.480 24.737 2010 NOV 09 10:30 37.0863086604 -170692.377 292.6891 30.9583 6.456 22.804 2010 NOV 09 10:40 37.0982915968 -171214.620 293.7861 30.9112 6.431 20.886 Alternative: LHA TARGET IS A#0000 ET-UT(FIRST POINT) = 66.182618670 ET-UT1(FIRST POINT) = 66.286242281 TRANSMITTER: STATION #14, RECEIVER: STATION #14 RECEIVER U.T. RANGE DOPPLER LHA DEC RA EL 2010 NOV 09 07:00 36.8470525738 -152234.398 29.4555 31.9468 7.006 65.337 2010 NOV 09 07:10 36.8577632486 -153373.891 31.9898 31.8998 6.978 63.259 2010 NOV 09 07:20 36.8685531542 -154494.809 34.5241 31.8529 6.951 61.183 2010 NOV 09 07:30 36.8794209346 -155595.763 37.0582 31.8059 6.923 59.108 2010 NOV 09 07:40 36.8903651457 -156675.405 39.5922 31.7589 6.896 57.036 2010 NOV 09 07:50 36.9013842475 -157732.424 42.1261 31.7118 6.869 54.967 2010 NOV 09 08:00 36.9124766097 -158765.554 44.6599 31.6648 6.842 52.902 2010 NOV 09 08:10 36.9236405148 -159773.573 47.1935 31.6177 6.816 50.842 2010 NOV 09 08:20 36.9348741613 -160755.309 49.7270 31.5706 6.789 48.787 2010 NOV 09 08:30 36.9461756675 -161709.639 52.2604 31.5235 6.762 46.738 2010 NOV 09 08:40 36.9575430717 -162635.490 54.7936 31.4764 6.736 44.694 2010 NOV 09 08:50 36.9689743447 -163531.847 57.3267 31.4293 6.710 42.658 2010 NOV 09 09:00 36.9804673854 -164397.751 59.8596 31.3822 6.684 40.629 2010 NOV 09 09:10 36.9920200270 -165232.300 62.3924 31.3351 6.658 38.608 2010 NOV 09 09:20 37.0036300396 -166034.652 64.9250 31.2880 6.632 36.595 2010 NOV 09 09:30 37.0152951427 -166804.030 67.4575 31.2408 6.606 34.592 2010 NOV 09 09:40 37.0270129956 -167539.718 69.9898 31.1937 6.581 32.598 2010 NOV 09 09:50 37.0387812180 -168241.064 72.5220 31.1466 6.555 30.615 2010 NOV 09 10:00 37.0505973775 -168907.486 75.0540 31.0995 6.530 28.644 2010 NOV 09 10:10 37.0624590081 -169538.466 77.5859 31.0524 6.505 26.684 2010 NOV 09 10:20 37.0743636122 -170133.556 80.1176 31.0053 6.480 24.737 2010 NOV 09 10:30 37.0863086604 -170692.377 82.6491 30.9583 6.456 22.804 2010 NOV 09 10:40 37.0982915968 -171214.620 85.1805 30.9112 6.431 20.886 2010 NOV 09 10:50 37.1103098514 -171700.049 87.7117 30.8642 6.407 18.983 2010 NOV 09 11:00 37.1223608322 -172148.495 90.2428 30.8172 6.383 17.097

2002 VE68 GOLDSTONE MASTERLOG

============================================================================== Receive TX Setup hops dwell code ncoh FFT runs start -stop OSOD offset Poln Notes ------------------------------------------------------------------------------ POINTING TX Offsets Date (UTC) DOY hhmmss RA Dec Macro LHA Dec RTT OSOD
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/2002VE68/2002VE68_planning.html

Asteroid Radar Astronomy
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