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Minor Planet Center

MPEC 2007-H30 : COMET C/2007 G1 (LINEAR)

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M.P.E.C. 2007-H30                                Issued 2007 Apr. 20, 17:08 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 C/2007 G1 (LINEAR)

Observations:
    CK07G010   2007 04 16.69931 18 03 22.13 +34 21 35.7          17.2 T EH030372
    CK07G010   2007 04 16.71806 18 03 21.73 +34 21 40.5                 EH030372
    CK07G010   2007 04 16.73507 18 03 21.37 +34 21 45.0                 EH030372
    CK07G010  C2007 04 16.95792 18 03 16.99 +34 22 41.4          17.9 N EH030B30
    CK07G010  C2007 04 16.96235 18 03 16.91 +34 22 41.6          17.8 N EH030B30
    CK07G010  C2007 04 16.96676 18 03 16.83 +34 22 42.6          17.5 N EH030B30
    CK07G010  C2007 04 16.97117 18 03 16.79 +34 22 43.0          18.3 N EH030B30
    CK07G010  C2007 04 17.31027 18 03 09.82 +34 24 10.4          18.6 N EH030850
    CK07G010  C2007 04 17.31123 18 03 09.84 +34 24 10.7          17.5 T EH030673
    CK07G010  C2007 04 17.31713 18 03 09.72 +34 24 12.2                 EH030673
    CK07G010  C2007 04 17.32222 18 03 09.65 +34 24 13.8                 EH030673
    CK07G010  C2007 04 17.32533 18 03 09.49 +34 24 14.1          18.2 N EH030850
    CK07G010  C2007 04 17.32731 18 03 09.54 +34 24 15.1                 EH030673
    CK07G010  C2007 04 17.34039 18 03 09.19 +34 24 18.0          18.1 N EH030850
    CK07G010  C2007 04 17.35543 18 03 08.86 +34 24 22.0          18.4 N EH030850
    CK07G010  C2007 04 17.37047 18 03 08.53 +34 24 25.9          18.6 N EH030850
    CK07G010  C2007 04 17.90029 18 02 57.55 +34 26 40.0          17.6 N EH030A94
    CK07G010  C2007 04 17.90744 18 02 57.43 +34 26 42.5          17.7 N EH030A94
    CK07G010  C2007 04 17.91521 18 02 57.25 +34 26 44.3          17.4 N EH030A94
    CK07G010  C2007 04 18.63373 18 02 41.82 +34 29 46.1          17.8 N EH030400
    CK07G010  C2007 04 18.64886 18 02 41.51 +34 29 51.3          17.6 N EH030400
    CK07G010  C2007 04 18.65470 18 02 41.34 +34 29 51.8          17.7 N EH030400
    CK07G010  C2007 04 18.66347 18 02 41.22 +34 29 54.0          17.6 N EH030400
    CK07G010  C2007 04 18.98686 18 02 34.05 +34 31 14.2          17.3 N EH030B30
    CK07G010  C2007 04 18.99174 18 02 34.03 +34 31 15.4          17.1 N EH030B30
    CK07G010  C2007 04 18.99662 18 02 33.90 +34 31 17.3          17.7 N EH030B30
    CK07G010  C2007 04 19.00149 18 02 33.89 +34 31 16.5          17.8 N EH030B30
    CK07G010  C2007 04 19.96980 18 02 11.94 +34 35 19.9          17.8 N EH030585
    CK07G010  C2007 04 19.97809 18 02 11.85 +34 35 22.3          17.8 N EH030585
    CK07G010  C2007 04 19.98579 18 02 11.53 +34 35 23.2          17.8 N EH030585
    CK07G010  C2007 04 19.99109 18 02 11.48 +34 35 25.9          17.7 N EH030585
    CK07G010  C2007 04 19.99639 18 02 11.42 +34 35 26.8          17.8 N EH030585

Observer details:
372 Geisei.  Observer T. Seki.  0.60-m f/3.5 reflector.
400 Kitami.  Observer K. Endate.  0.30-m f/3.8 reflector + CCD.
585 Kiev comet station.  Observer A. Baransky.  0.7-m f/4 reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.61-m f/16
    Cassegrain + CCD.
850 Cordell-Lorenz Observatory, Sewanee.  Observers D. T. Durig, J. B. Fuqua,
    B. J. Pierson, T. E. Stegall.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
A94 Cormons.  Observer E. G. Basiglio Ribaudo.  0.25-m f/8.60 Ritchey-Chretien
    + CCD.
B30 Szamotuly-Galowo.  Observer M. Reszelski.  0.20-m reflector + CCD.

Orbital elements:
    C/2007 G1 (LINEAR)
T 2008 Nov. 18.875 TT                                   MPC
q   2.64366              (2000.0)            P               Q
                   Peri.  224.232       -0.119965       +0.153347
                   Node    78.876       -0.370962       +0.909509
e   1.0            Incl.   88.470       -0.920867       -0.386364
From 115 observations 2007 Apr. 10-19.

Ephemeris:
    C/2007 G1 (LINEAR)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 04 20    18 02.19   +34 35.5    5.758    6.091   104.7     9.2  17.1
2007 04 30    17 57.61   +35 13.5    5.604    6.017   109.6     9.1  17.0
2007 05 10    17 51.57   +35 42.7    5.461    5.942   113.9     8.9  16.9
2007 05 20    17 44.18   +35 59.8    5.332    5.868   117.5     8.8  16.8
2007 05 30    17 35.70   +36 01.4    5.220    5.793   120.0     8.7  16.7
2007 06 09    17 26.46   +35 44.8    5.127    5.719   121.2     8.7  16.6
2007 06 19    17 16.90   +35 08.4    5.053    5.644   121.0     8.9  16.5
2007 06 29    17 07.48   +34 11.6    5.001    5.569   119.3     9.2  16.5

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-H30

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MPEC number:

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