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Minor Planet Center

MPEC 2007-T15 : COMET P/2007 R3 (GIBBS)

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M.P.E.C. 2007-T15                                Issued 2007 Oct. 4, 13:34 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.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714

                            COMET P/2007 R3 (GIBBS)

Observations:
    PK07R030  C2007 09 17.66076 00 40 00.04 +01 18 50.0          18.3 T ET015355
    PK07R030  C2007 09 17.66654 00 39 59.73 +01 18 48.8                 ET015355
    PK07R030  C2007 09 17.67115 00 39 59.55 +01 18 49.7                 ET015355
    PK07R030  C2007 10 04.33819 00 29 13.95 +00 39 20.4          18.6 T ET015673
    PK07R030  C2007 10 04.34502 00 29 13.64 +00 39 19.2                 ET015673
    PK07R030  C2007 10 04.34809 00 29 13.54 +00 39 18.6                 ET015673
    PK07R030  C2007 10 04.35231 00 29 13.36 +00 39 18.1                 ET015673

Observer details:
355 Hadano.  Observer A. Asami.  0.28-m f/5.0 reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.61-m f/16
    Cassegrain + CCD.

Orbital elements:
    P/2007 R3 (Gibbs)
T 2007 July 7.324 TT                                    MPC
q   2.52339              (2000.0)            P               Q
n   0.110935       Peri.  313.031       +0.954593       +0.296024
a   4.28967        Node    29.797       -0.249957       +0.857041
e   0.41175        Incl.    3.866       -0.162093       +0.421724
P   8.88
From 70 observations 2007 Sept. 14-Oct. 4.

Ephemeris:
    P/2007 R3 (Gibbs)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 09 27    00 34.10   +00 56.7    1.586    2.586   174.6     2.1  18.6
2007 10 07    00 27.50   +00 33.6    1.607    2.602   172.9     2.7  18.7
2007 10 17    00 21.52   +00 16.0    1.653    2.619   161.8     6.8  18.8
2007 10 27    00 16.97   +00 08.3    1.725    2.638   150.8    10.6  18.9
2007 11 06    00 14.40   +00 12.7    1.819    2.658   140.3    13.8  19.0
2007 11 16    00 14.05   +00 30.2    1.932    2.680   130.3    16.4  19.2
2007 11 26    00 15.97   +01 00.7    2.061    2.703   120.8    18.3  19.4

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-T15

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MPEC number:

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