MPEC 2007-S25 : COMET P/2007 R3 (GIBBS)

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M.P.E.C. 2007-S25                                Issued 2007 Sept. 19, 15:32 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 15.95392 00 40 59.66 +01 22 39.5          18.6 N ES025235
    PK07R030  C2007 09 17.25595 00 40 14.48 +01 19 45.4          19.4 T ES025H55
    PK07R030  C2007 09 18.96870 00 39 13.33 +01 15 52.9          19.0 N ES025J47

Observer details:
235 CAST Observatory, Talmassons.  Observer R. Ligustri.  0.35-m f/5 reflector
    + CCD.
H55 Astronomical Research Observatory, Charleston.  Observer R. Holmes.
    0.81-m f/4.0 astrograph + CCD.
J47 Observatorio Nazaret.  Observer G. Muler.  0.20-m Schmidt-Cassegrain + CCD.

Orbital elements:
    P/2007 R3 (Gibbs)
T 2007 June 5.042 TT                                    MPC
q   2.19718              (2000.0)            P               Q
n   0.092864       Peri.  292.056       +0.826252       +0.562464
a   4.82951        Node    33.739       -0.494322       +0.750107
e   0.54505        Incl.    3.166       -0.270098       +0.347813
P  10.6
From 53 observations 2007 Sept. 14-18.

Ephemeris:
    P/2007 R3 (Gibbs)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 09 17    00 40.39   +01 20.4    1.385    2.367   163.6     6.9  17.9
2007 09 27    00 34.13   +00 56.9    1.399    2.399   174.6     2.3  18.0
2007 10 07    00 27.68   +00 34.6    1.437    2.433   173.0     2.9  18.1
2007 10 17    00 22.06   +00 18.9    1.502    2.469   162.0     7.2  18.3
2007 10 27    00 18.06   +00 13.9    1.590    2.507   151.1    11.0  18.5
2007 11 06    00 16.17   +00 21.5    1.700    2.546   140.8    14.3  18.7
2007 11 16    00 16.55   +00 42.2    1.829    2.587   130.9    16.8  18.9
2007 11 26    00 19.16   +01 15.6    1.973    2.629   121.7    18.6  19.2

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-S25

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