MPEC 2001-P11: 2001 OG84

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M.P.E.C. 2001-P11                                Issued 2001 Aug. 3, 15:48 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.

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          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   2001 OG84

Observations:
     K01O84G* C2001 07 27.29777 21 01 50.41 +05 28 54.7          20.7        644
     K01O84G  C2001 07 27.30780 21 01 49.56 +05 28 36.7          20.2        644
     K01O84G  C2001 07 27.31787 21 01 48.74 +05 28 18.7          21.1        644
     K01O84G  C2001 07 27.96356 21 01 00.14 +05 08 51.4                      557
     K01O84G  C2001 07 27.96543 21 01 00.07 +05 08 47.9                      557
     K01O84G  C2001 07 27.96917 21 00 59.82 +05 08 40.8                      557
     K01O84G FC2001 07 28.00793 21 00 56.50 +05 07 30.6          18.9 R      046
     K01O84G FC2001 07 28.01059 21 00 56.27 +05 07 24.8          18.6 R      046
     K01O84G FC2001 07 28.98156 20 59 43.56 +04 38 03.1          19.4 R      046
     K01O84G FC2001 07 28.98500 20 59 43.24 +04 37 54.8          19.6 R      046

Observer details:
046 Klet.  Observers J. Ticha, M. Tichy, P. Jelinek.  0.57-m f/5.2
    reflector + CCD.
557 Ondrejov.  Observer L. Sarounova.  0.65-m f/3.6 reflector + CCD.
644 Palomar Mountain/NEAT.  Observers E. F. Helin, S. Pravdo, K. Lawrence,
    M. Hicks, E. Hovland, T. Bickler, J. Schroeder, L. Scherr, R. Thicksten,
    A. Deetz.  1.2-m Schmidt + CCD.

Orbital elements:
2001 OG84
Epoch 2001 July 10.0 TT = JDT 2452100.5                 Spahr
M  51.57461              (2000.0)            P               Q
n   0.53058570     Peri.   53.36584     -0.81978706     +0.56883422
a   1.5111202      Node   161.02094     -0.56854776     -0.79460506
e   0.2880233      Incl.   11.73714     -0.06857560     -0.21220375
P   1.86           H   19.9           G   0.15
From 10 observations 2001 July 27-28.

Ephemeris:
2001 OG84                a,e,i = 1.51, 0.29, 12                  q = 1.0759
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2001 07 30    20 58.46   +04 07.1    0.433    1.423   156.7    16.4    19.7
2001 08 09    20 46.75   -01 04.9    0.464    1.465   163.6    11.3    19.8
2001 08 19    20 37.87   -06 00.5    0.514    1.506   160.2    13.2    20.1
2001 08 29    20 33.23   -10 10.6    0.582    1.546   151.2    18.3    20.6
2001 09 08    20 33.14   -13 24.3    0.666    1.584   141.5    23.3    21.1
2001 09 18    20 37.19   -15 43.6    0.764    1.621   132.4    27.2    21.6
2001 09 28    20 44.79   -17 15.7    0.873    1.657   124.1    30.1    22.0

Timothy B. Spahr             (C) Copyright 2001 MPC           M.P.E.C. 2001-P11

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