MPEC 2008-J25 : COMET C/2008 G1 (GIBBS)

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M.P.E.C. 2008-J25                                Issued 2008 May 3, 15:25 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/2008 G1 (GIBBS)

Observations:
    CK08G010  C2008 04 13.35767 15 27 08.35 +06 21 12.6          19.5 T EJ025703
    CK08G010  C2008 04 13.36317 15 27 08.28 +06 21 18.3          19.5 T EJ025703
    CK08G010  C2008 04 13.36869 15 27 08.06 +06 21 22.0          19.8 T EJ025703
    CK08G010  C2008 04 13.37420 15 27 07.84 +06 21 26.4          19.0 T EJ025703
    CK08G010  C2008 04 17.37544 15 25 09.37 +07 19 22.9          18.9 T EJ025G96
    CK08G010  C2008 04 17.37949 15 25 09.22 +07 19 26.1          18.8 T EJ025G96
    CK08G010  C2008 04 17.38358 15 25 09.15 +07 19 30.4          18.9 T EJ025G96
    CK08G010  C2008 04 17.38757 15 25 09.08 +07 19 32.8          19.0 T EJ025G96
    CK08G010  C2008 04 24.89051 15 21 00.55 +09 07 08.0          19.4 N EJ025056
    CK08G010  C2008 04 24.90646 15 20 59.98 +09 07 21.4          19.5 N EJ025056
    CK08G010  C2008 04 24.91624 15 20 59.62 +09 07 29.8          19.1 N EJ025056
    CK08G010  C2008 04 26.85035 15 19 50.78 +09 34 46.2          18.6 N EJ025473
    CK08G010  C2008 04 26.85216 15 19 50.72 +09 34 48.0          18.6 N EJ025473
    CK08G010  C2008 04 27.18527 15 19 38.58 +09 39 29.9          18.6 N EJ025J47
    CK08G010  C2008 04 27.19134 15 19 38.35 +09 39 34.9          18.9 N EJ025J47
    CK08G010  C2008 04 27.19741 15 19 38.14 +09 39 39.6          18.7 N EJ025J47
    CK08G010  C2008 04 28.89329 15 18 36.26 +10 03 18.6          19.7 N EJ025056
    CK08G010  C2008 04 28.89888 15 18 36.21 +10 03 24.0          19.0 N EJ025056
    CK08G010  C2008 04 28.90311 15 18 35.85 +10 03 27.6          19.1 N EJ025056
    CK08G010  C2008 04 28.90736 15 18 35.67 +10 03 31.3          18.8 N EJ025056
    CK08G010  C2008 04 29.87285 15 17 59.90 +10 16 53.8          18.8 T EJ025215
    CK08G010  C2008 04 29.87409 15 17 59.87 +10 16 54.4          19.0 T EJ025215
    CK08G010  C2008 04 29.87514 15 17 59.84 +10 16 54.9          19.0 T EJ025215
    CK08G010  C2008 04 30.32140 15 17 42.96 +10 23 04.8          20.1 N EJ025850
    CK08G010  C2008 04 30.34400 15 17 42.25 +10 23 23.9          20.1 N EJ025850
    CK08G010  C2008 05 01.33329 15 17 05.01 +10 36 57.5                 EJ025G96
    CK08G010  C2008 05 01.33817 15 17 04.90 +10 37 02.3          19.0 T EJ025G96
    CK08G010  C2008 05 01.34304 15 17 04.69 +10 37 06.9                 EJ025G96
    CK08G010  C2008 05 01.34800 15 17 04.45 +10 37 10.8                 EJ025G96
    CK08G010  C2008 05 01.98456 15 16 40.58 +10 45 54.5          18.4 N EJ025132
    CK08G010  C2008 05 01.99189 15 16 40.05 +10 45 58.2          18.5 N EJ025132
    CK08G010  C2008 05 01.99922 15 16 39.66 +10 46 03.2          18.2 N EJ025132

Observer details:
056 Skalnate Pleso.  Observers M. Tirpak, M. Pikler.  Measurer M. Husarik.
    0.61-m f/4.3 reflector + CCD.
132 Bedoin.  Observer P. Antonini.  0.26-m f/6.2 Newtonian reflector + CCD.
215 Buchloe.  Observer W. Hasubick.  0.44-m f/4.6 reflector + CCD.
473 Remanzacco.  Observers L. Donato, M. Gonano, V. Gonano, E. Guido,
    V. Santini, G. Sostero.  0.45-m f/4.4 Newtonian reflector + CCD.
703 Catalina Sky Survey.  Observer R. E. Hill.  Measurers E. C. Beshore,
    A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson.  0.68-m Schmidt + CCD.
850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.30-m f/2.5
    Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey.  Observers R. E. Hill, A. Boattini.  Measurers
    E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
    R. A. Kowalski, S. M. Larson.  1.5-m reflector + CCD.
J47 Observatorio Nazaret.  Observer G. Muler.  0.20-m Schmidt-Cassegrain + CCD.

Orbital elements:
    C/2008 G1 (Gibbs)
T 2009 Jan. 11.378 TT                                   MPC
q   3.99748              (2000.0)            P               Q
                   Peri.   63.585       -0.206499       +0.800717
                   Node   216.003       -0.774403       +0.217527
e   1.0            Incl.   73.060       +0.598046       +0.558152
From 83 observations 2008 Apr. 7-May 1.

Ephemeris:
    C/2008 G1 (Gibbs)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2008 04 24    15 21.53   +08 54.5    3.669    4.578   151.5     6.0  18.9
2008 05 04    15 15.39   +11 13.1    3.624    4.538   151.8     6.0  18.9
2008 05 14    15 08.82   +13 20.9    3.611    4.499   147.8     6.9  18.8
2008 05 24    15 02.27   +15 13.6    3.629    4.461   140.9     8.2  18.8
2008 06 03    14 56.19   +16 48.3    3.673    4.424   132.7     9.7  18.8
2008 06 13    14 50.97   +18 03.9    3.740    4.389   124.0    11.1  18.8
2008 06 23    14 46.93   +19 00.9    3.824    4.355   115.2    12.2  18.8

Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-J25

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