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  • MPEC 2011-C97 : COMET P/2011 C2 (GIBBS)

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    M.P.E.C. 2011-C97                                Issued 2011 Feb. 15, 23:40 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.minorplanetcenter.net/    ISSN 1523-6714
    
                                COMET P/2011 C2 (GIBBS)
    
    Observations:
        PK11C020  C2011 01 30.45572 10 08 53.95 +22 03 14.2          19.6 TrEC097G96
        PK11C020  C2011 01 30.46318 10 08 53.77 +22 03 15.4          19.6 TrEC097G96
        PK11C020  C2011 01 30.47072 10 08 53.62 +22 03 16.0          19.6 TrEC097G96
        PK11C020  C2011 01 30.47824 10 08 53.48 +22 03 16.5          19.8 TrEC097G96
        PK11C020  C2011 02 12.29235 10 02 51.93 +22 29 28.5          19.9 TrEC097G96
        PK11C020  C2011 02 12.30054 10 02 51.72 +22 29 29.5          19.9 TrEC097G96
        PK11C020  C2011 02 12.30631 10 02 51.50 +22 29 30.4          19.6 TrEC097G96
        PK11C020  C2011 02 12.31211 10 02 51.32 +22 29 30.8          19.7 TrEC097G96
        PK11C020  C2011 02 12.38633 10 02 49.06 +22 29 39.4          19.6 TrEC097G96
        PK11C020  C2011 02 12.38723 10 02 49.04 +22 29 39.2          19.7 TrEC097G96
        PK11C020  C2011 02 12.38815 10 02 49.01 +22 29 39.5          19.6 TrEC097G96
        PK11C020  C2011 02 12.38906 10 02 48.96 +22 29 39.6          19.8 TrEC097G96
        PK11C020 KC2011 02 13.28871 10 02 22.35 +22 31 18.0          19.9 TuEC097H36
        PK11C020 KC2011 02 13.30359 10 02 21.93 +22 31 18.9          19.8 TuEC097H36
        PK11C020 KC2011 02 13.31104 10 02 21.68 +22 31 20.0          19.9 TuEC097H36
        PK11C020 KC2011 02 13.35365 10 02 20.38 +22 31 25.5          19.9 TrEC097850
        PK11C020 KC2011 02 13.38799 10 02 19.42 +22 31 29.4          19.8 TrEC097850
        PK11C020  C2011 02 13.40621 10 02 18.82 +22 31 30.9          19.8 TrEC097G96
        PK11C020  C2011 02 13.40679 10 02 18.82 +22 31 31.0          20.0 TrEC097G96
        PK11C020  C2011 02 13.40738 10 02 18.78 +22 31 31.0          19.7 TrEC097G96
        PK11C020  C2011 02 13.40797 10 02 18.74 +22 31 31.1          19.7 TrEC097G96
        PK11C020 |C2011 02 13.41937 10 02 18.45 +22 31 32.3                cEC097H06
        PK11C020 |C2011 02 13.42220 10 02 18.40 +22 31 32.7                cEC097H06
        PK11C020 |C2011 02 13.42503 10 02 18.33 +22 31 33.1          19.7 TcEC097H06
        PK11C020  C2011 02 13.46321 10 02 17.09 +22 31 36.9          20.3 ToEC097291
        PK11C020  C2011 02 13.46559 10 02 17.03 +22 31 37.2          19.8 TuEC097H10
        PK11C020  C2011 02 13.46816 10 02 16.95 +22 31 37.6          20.3 ToEC097291
        PK11C020  C2011 02 13.46971 10 02 16.92 +22 31 37.5          19.8 TuEC097H10
        PK11C020  C2011 02 13.47214 10 02 16.85 +22 31 37.9          20.3 ToEC097291
        PK11C020  C2011 02 13.47382 10 02 16.91 +22 31 37.3          20.0 TuEC097H10
        PK11C020  C2011 02 13.47792 10 02 16.56 +22 31 38.4          20.1 TuEC097H10
        PK11C020  C2011 02 13.48205 10 02 16.63 +22 31 38.7          20.2 TuEC097H10
        PK11C020  C2011 02 13.48616 10 02 16.33 +22 31 38.8          20.2 TuEC097H10
        PK11C020  C2011 02 13.49027 10 02 16.08 +22 31 37.0          20.2 TuEC097H10
        PK11C020 KC2011 02 14.13208 10 01 57.20 +22 32 47.7                uEC097J95
        PK11C020 KC2011 02 14.13839 10 01 57.05 +22 32 49.1                uEC097J95
        PK11C020 KC2011 02 14.14483 10 01 56.83 +22 32 49.1          19.4 TuEC097J95
        PK11C020  C2011 02 14.87464 10 01 35.28 +22 34 06.7          19.8 ToEC097461
        PK11C020  C2011 02 14.89385 10 01 34.70 +22 34 08.8          19.8 ToEC097461
        PK11C020  C2011 02 14.89947 10 01 34.52 +22 34 10.0          19.6 ToEC097461
        PK11C020  C2011 02 14.90509 10 01 34.35 +22 34 10.8          19.7 ToEC097461
        PK11C020  C2011 02 15.27088 10 01 23.39 +22 34 49.0          20.3 ToEC097291
        PK11C020  C2011 02 15.28037 10 01 23.12 +22 34 50.0          20.2 ToEC097291
        PK11C020  C2011 02 15.28887 10 01 22.84 +22 34 50.6          20.3 ToEC097291
        PK11C020 KC2011 02 15.28972810 01 22.79 +22 34 50.9          19.4 TrEC097H21
        PK11C020 KC2011 02 15.29567210 01 22.63 +22 34 50.8          19.4 TrEC097H21
        PK11C020  C2011 02 15.29751 10 01 22.56 +22 34 51.6          20.3 ToEC097291
        PK11C020 KC2011 02 15.30161410 01 22.46 +22 34 50.7          19.4 TrEC097H21
        PK11C020  C2011 02 15.30169 10 01 22.47 +22 34 51.7          20.3 ToEC097291
        PK11C020  C2011 02 15.30586 10 01 22.35 +22 34 52.6          20.3 ToEC097291
        PK11C020  C2011 02 15.31032 10 01 22.20 +22 34 52.9          20.4 ToEC097291
        PK11C020  C2011 02 15.31449 10 01 22.07 +22 34 53.5          20.4 ToEC097291
        PK11C020  C2011 02 15.32050 10 01 21.87 +22 34 54.1          20.1 ToEC097291
        PK11C020  C2011 02 15.37978 10 01 20.07 +22 34 59.9          20.3 ToEC097291
        PK11C020  C2011 02 15.38421 10 01 19.93 +22 35 00.3          20.4 ToEC097291
        PK11C020  C2011 02 15.38943 10 01 19.80 +22 35 00.7          20.6 ToEC097291
        PK11C020  C2011 02 15.39432 10 01 19.62 +22 35 01.5          20.3 ToEC097291
        PK11C020  C2011 02 15.39836 10 01 19.49 +22 35 01.9          20.3 ToEC097291
        PK11C020  C2011 02 15.40321 10 01 19.35 +22 35 02.6          20.4 ToEC097291
        PK11C020  C2011 02 15.40780 10 01 19.22 +22 35 02.9          20.6 ToEC097291
        PK11C020  C2011 02 15.41177 10 01 19.10 +22 35 03.3          20.4 ToEC097291
        PK11C020  C2011 02 15.41579 10 01 18.97 +22 35 03.6          20.3 ToEC097291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
    461 University of Szeged, Piszkesteto Stn. (Konkoly).  Observer K. Sarneczky.
        0.60-m Schmidt + CCD.
    850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.30-m f/3.1
        Schmidt-Cassegrain + 765x510 CCD.
    G96 Mt. Lemmon Survey.  Observers A. Boattini, A. R. Gibbs.  Measurers
        J. D. Ahern, E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs,
        A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
        1.5-m reflector + CCD.
    H06 RAS Observatory, Mayhill.  Observer H. Sato.  0.50-m f/6.8 reflector + CCD.
    H10 Tzec Maun Observatory, Mayhill.  Observers E. Bryssinck.  0.4-m f/9
        Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, T. Vorobjov.  0.61-m f/4.0 astrograph + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
        P/2011 C2 (Gibbs)
    T 2012 Jan. 16.58604 TT                                 MPC
    q   5.3776046            (2000.0)            P               Q
    n   0.04921489     Peri.  161.40832     -0.99256318     -0.11497246
    a   7.3745985      Node    12.19843     +0.07298947     -0.82504599
    e   0.2707936      Incl.   10.91113     +0.09742108     -0.55324538
    P  20.0
    From 61 observations 2011 Jan. 30-Feb. 15.
    
    Ephemeris:
        P/2011 C2 (Gibbs)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2011 01 16    10 14 23.8 +21 31 42   4.7112  5.5560   146.3     5.6  19.8
    ...
    2011 01 31    10 08 39.7 +22 04 25   4.5992  5.5422   161.5     3.2  19.8
    ...
    2011 02 08    10 04 57.5 +22 21 12   4.5662  5.5350   168.1     2.1  19.7
    ...
    2011 02 14    10 02 01.3 +22 32 35   4.5542  5.5297   170.2     1.7  19.7
    2011 02 15    10 01 31.5 +22 34 21   4.5533  5.5288   170.1     1.8  19.7
    2011 02 16    10 01 01.6 +22 36 04   4.5527  5.5279   169.9     1.8  19.7
    ...
    2011 02 22    09 58 02.6 +22 45 22   4.5555  5.5228   166.7     2.4  19.7
    ...
    2011 03 02    09 54 09.8 +22 54 43   4.5762  5.5160   159.6     3.6  19.7
    ...
    2011 03 17    09 47 47.9 +23 00 55   4.6638  5.5036   144.5     6.0  19.8
    
    Gareth V. Williams           (C) Copyright 2011 MPC           M.P.E.C. 2011-C97
    

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    MPEC number:

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    • B01 (the abbreviated form)