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IAU Minor Planet Center

Minor Planet Center

MPEC 2002-A51: 2002 AR4

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M.P.E.C. 2002-A51                                Issued 2002 Jan. 10, 16:16 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 AR4

Observations:
     K02A04R  C2001 12 17.22875 05 04 05.07 +21 34 56.9          19.8        704
     K02A04R  C2001 12 17.24429 05 04 03.73 +21 35 07.0          19.9        704
     K02A04R  C2001 12 17.25957 05 04 02.25 +21 35 18.4          20.5        704
     K02A04R  C2001 12 17.27467 05 04 00.95 +21 35 27.9          19.8        704
     K02A04R  C2001 12 17.28977 05 03 59.54 +21 35 37.1          19.8        704
     K02A04R* C2002 01 08.22525 04 32 43.56 +26 31 20.0          19.8        704
     K02A04R  C2002 01 08.25546 04 32 41.24 +26 31 47.3          19.9        704
     K02A04R  C2002 01 08.27063 04 32 40.05 +26 32 01.3          20.1        704
     K02A04R  C2002 01 08.28576 04 32 38.99 +26 32 14.5          20.2        704
     K02A04R  C2002 01 09.16995 04 31 38.97 +26 46 09.8          20.2        704
     K02A04R  C2002 01 09.18623 04 31 37.77 +26 46 24.6          20.4        704
     K02A04R  C2002 01 09.20196 04 31 36.60 +26 46 39.6          20.6        704
     K02A04R  C2002 01 09.21777 04 31 35.45 +26 46 54.3          20.5        704
     K02A04R  C2002 01 09.23343 04 31 34.32 +26 47 08.9          20.4        704
     K02A04R  C2002 01 09.78619 04 30 58.37 +26 55 48.7          19.6 V      046
     K02A04R  C2002 01 09.79133 04 30 57.94 +26 55 53.9                      046
     K02A04R  C2002 01 09.79306 04 30 57.85 +26 55 55.5                      046
     K02A04R  C2002 01 09.79478 04 30 57.74 +26 55 57.1                      046
     K02A04R  C2002 01 09.79656 04 30 57.58 +26 55 58.8                      046
     K02A04R  C2002 01 09.79834 04 30 57.46 +26 56 00.5                      046

Observer details:
046 Klet.  Observers M. Tichy, M. Kocer.  0.57-m f/5.2 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, R. Huber, L. Manguso, S. Adams, J. Piscitelli.  Measurers
    J. Stuart, R. Sayer, J. B. Evans, H. Viggh.  1.0-m f/2.15 reflector + CCD.

Orbital elements:
2002 AR4
Epoch 2001 Dec. 17.0 TT = JDT 2452260.5                 MPC
M 343.51718              (2000.0)            P               Q
n   0.19053445     Peri.   68.83791     -0.89076200     -0.43118877
a   2.9910272      Node    85.38047     +0.34489278     -0.84712003
e   0.6210135      Incl.    8.28298     +0.29595951     -0.31058638
P   5.17           H   19.5           G   0.15
From 20 observations 2001 Dec. 17-2002 Jan. 9.

Ephemeris:
2002 AR4                 a,e,i = 2.99, 0.62, 8                   q = 1.1336
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2002 01 06    04 35.44   +25 57.0    0.473    1.399   145.4    23.5    19.7
2002 01 16    04 25.31   +28 37.8    0.451    1.333   133.2    32.6    19.8
2002 01 26    04 21.93   +31 35.1    0.437    1.274   122.6    40.6    19.8
2002 02 05    04 27.08   +34 48.0    0.427    1.223   114.0    47.4    19.9
2002 02 15    04 42.07   +38 11.7    0.418    1.182   107.4    52.9    19.9
2002 02 25    05 08.32   +41 34.9    0.410    1.153   102.9    56.8    19.9
2002 03 07    05 47.20   +44 32.6    0.401    1.137   100.6    59.1    19.9
2002 03 17    06 39.32   +46 22.2    0.396    1.134   100.3    59.7    19.9
2002 03 27    07 41.94   +46 10.6    0.396    1.146   101.8    58.4    19.9
2002 04 06    08 47.23   +43 21.6    0.407    1.172   104.7    55.7    19.9
2002 04 16    09 46.66   +38 08.5    0.432    1.210   108.2    52.0    20.0
2002 04 26    10 36.17   +31 29.3    0.473    1.258   111.4    48.2    20.2
2002 05 06    11 16.10   +24 28.6    0.532    1.315   113.5    44.7    20.4
2002 05 16    11 48.70   +17 49.8    0.609    1.378   114.3    42.0    20.8
2002 05 26    12 16.19   +11 52.8    0.704    1.447   113.7    39.8    21.1
2002 06 05    12 40.17   +06 42.1    0.813    1.520   112.0    38.2    21.5
2002 06 15    13 01.84   +02 13.8    0.938    1.595   109.5    36.9    21.9

Brian G. Marsden             (C) Copyright 2002 MPC           M.P.E.C. 2002-A51

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