MPEC 2007-U68 : COMET P/2007 T4 (GIBBS)

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M.P.E.C. 2007-U68                                Issued 2007 Oct. 23, 16:54 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 T4 (GIBBS)

Observations:
    PK07T040  C2007 10 16.14994 10 05 53.99 +33 56 39.5          19.0 N EU068204
    PK07T040  C2007 10 22.20190 10 19 19.89 +33 30 58.5          19.5 N EU068204
    PK07T040  C2007 10 23.45187 10 22 01.68 +33 25 46.5          19.2 N EU068734
    PK07T040  C2007 10 23.45494 10 22 02.10 +33 25 45.1          19.0 N EU068734
    PK07T040  C2007 10 23.45949 10 22 02.62 +33 25 44.0          19.5 N EU068734

Observer details:
204 Schiaparelli Observatory.  Observers L. Buzzi, M. Marinelli, V. Di Michele.
    Measurer L. Buzzi.  0.36-m f/7.87 Schmidt-Cassegrain + CCD, 0.60-m f/4.64
    reflector + CCD.
734 Farpoint Observatory.  Observer G. Hug.  0.7-m reflector + CCD.

Orbital elements:
    P/2007 T4 (Gibbs)
T 2007 July 19.460 TT                                   MPC
q   1.99968              (2000.0)            P               Q
n   0.085890       Peri.   42.006       +0.224526       -0.943506
a   5.08754        Node    37.038       +0.751162       +0.008271
e   0.60695        Incl.   23.864       +0.620760       +0.331252
P  11.5
From 42 observations 2007 Oct. 12-23.

Ephemeris:
    P/2007 T4 (Gibbs)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 10 17    10 07.82   +33 53.0    2.421    2.168    63.5    24.3  18.8
2007 10 27    10 29.52   +33 11.4    2.367    2.205    68.5    24.8  18.8
2007 11 06    10 49.41   +32 34.5    2.311    2.245    73.7    25.1  18.8
2007 11 16    11 07.36   +32 05.9    2.252    2.287    79.4    25.2  18.9
2007 11 26    11 23.19   +31 48.4    2.192    2.332    85.4    25.0  18.9
2007 12 06    11 36.76   +31 44.4    2.131    2.378    91.9    24.5  18.9
2007 12 16    11 47.80   +31 55.6    2.071    2.427    98.9    23.6  18.9
2007 12 26    11 56.05   +32 22.4    2.014    2.477   106.3    22.4  19.0

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-U68

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