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  • MPEC 2012-C48 : COMET C/2012 CH17 (MOSS)

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    M.P.E.C. 2012-C48                                Issued 2012 Feb. 14, 03:13 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 C/2012 CH17 (MOSS)
    
    Observations:
        CK12C17H  C2012 02 02.36759 11 44 15.25 +23 46 15.8          18.3 TrEC048703
        CK12C17H  C2012 02 02.37412 11 44 15.10 +23 46 20.9          18.3 TrEC048703
        CK12C17H  C2012 02 02.38081 11 44 15.10 +23 46 25.3          18.3 TrEC048703
        CK12C17H  C2012 02 02.38751 11 44 15.00 +23 46 30.0          18.3 TrEC048703
        CK12C17H  C2012 02 07.12218 11 43 11.55 +24 42 22.3          17.9 TcEC048J43
        CK12C17H  C2012 02 07.13634 11 43 11.36 +24 42 31.9          18.0 TcEC048J43
        CK12C17H  C2012 02 07.15047 11 43 11.14 +24 42 42.8          18.3 TcEC048J43
        CK12C17H  C2012 02 07.16462 11 43 10.82 +24 42 52.9          18.2 TcEC048J43
        CK12C17H  C2012 02 08.18604 11 42 53.28 +24 55 19.7          18.4 TcEC048J43
        CK12C17H  C2012 02 08.21014 11 42 52.89 +24 55 37.4          18.7 TcEC048J43
        CK12C17H  C2012 02 08.23407 11 42 52.41 +24 55 54.9          18.7 TcEC048J43
        CK12C17H  C2012 02 11.05360 11 41 57.29 +25 30 56.3          18.4 TcEC048J43
        CK12C17H  C2012 02 11.07760 11 41 56.78 +25 31 14.5          18.2 TcEC048J43
        CK12C17H  C2012 02 11.10182 11 41 56.18 +25 31 33.1          17.8 TcEC048J43
        CK12C17H  C2012 02 12.03765 11 41 35.56 +25 43 21.7          18.9 TcEC048J43
        CK12C17H  C2012 02 12.06182 11 41 34.96 +25 43 40.2          18.4 TcEC048J43
        CK12C17H  C2012 02 12.08605 11 41 34.37 +25 43 58.8          18.5 TcEC048J43
        CK12C17H KC2012 02 12.92774 11 41 14.95 +25 54 39.6                cEC048I89
        CK12C17H KC2012 02 12.93079 11 41 14.86 +25 54 42.3                cEC048I89
        CK12C17H KC2012 02 12.93384 11 41 14.79 +25 54 45.1          17.9 TcEC048I89
        CK12C17H KC2012 02 12.97224 11 41 13.75 +25 55 14.1          18.2 TcEC048B51
        CK12C17H KC2012 02 12.99989 11 41 13.17 +25 55 35.9          18.3 TcEC048B51
        CK12C17H KC2012 02 13.03033 11 41 12.32 +25 55 58.7          18.0 TcEC048B51
        CK12C17H KC2012 02 13.10471 11 41 10.48 +25 56 56.9          18.0 TvEC048J43
        CK12C17H KC2012 02 13.12522 11 41 09.95 +25 57 12.6          18.2 TvEC048J43
        CK12C17H KC2012 02 13.14487 11 41 09.45 +25 57 27.7          18.2 TvEC048J43
        CK12C17H KC2012 02 13.44833 11 41 02.04 +26 01 20.8                oEC048291
        CK12C17H KC2012 02 13.45565 11 41 01.85 +26 01 26.4                oEC048291
        CK12C17H KC2012 02 13.46296 11 41 01.66 +26 01 32.0                oEC048291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
    703 Catalina Sky Survey.  Observer R. E. Hill.  Measurers J. D. Ahern,
        E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, P. Tricarico,
        A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
        0.68-m Schmidt + CCD.
    B51 Vallauris.  Observer J. Nicolas.  0.41-m f/3.3 reflector + CCD.
    I89 RAS Observatory, Nerpio.  Observer H. Sato.  0.43-m f/6.8 astrograph + CCD.
    J43 Oukaimeden Observatory, Marrakech.  Observers C. Rinner, F. Kugel.
        0.5-m f/3 reflector + CCD.
    
    Orbital elements:
        C/2012 CH17 (MOSS)
    T 2012 Sept. 28.07814 TT                                MPC
    q   1.2957137            (2000.0)            P               Q
                       Peri.  138.01949     -0.04302480     +0.92540652
                       Node   125.94444     -0.99480698     -0.00488755
    e   1.0            Incl.   27.71566     -0.09223850     -0.37894443
    From 29 observations 2012 Feb. 2-13.
    
    Ephemeris:
        C/2012 CH17 (MOSS)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2012 01 15    11 44 04.5 +20 43 49   2.9482  3.5953   124.3    13.1  18.9
    ...
    2012 01 30    11 44 43.1 +23 08 32   2.6429  3.4406   138.2    11.0  18.5
    ...
    2012 02 07    11 43 13.6 +24 40 53   2.5004  3.3576   145.2     9.7  18.3
    ...
    2012 02 13    11 41 13.0 +25 55 36   2.4043  3.2950   149.8     8.7  18.1
    2012 02 14    11 40 48.4 +26 08 25   2.3892  3.2846   150.5     8.5  18.1
    2012 02 15    11 40 22.5 +26 21 19   2.3744  3.2742   151.1     8.4  18.0
    ...
    2012 02 21    11 37 20.3 +27 40 05   2.2915  3.2113   154.3     7.7  17.9
    ...
    2012 02 29    11 32 10.0 +29 26 12   2.1972  3.1273   155.8     7.5  17.7
    ...
    2012 03 15    11 19 48.6 +32 32 26   2.0705  2.9688   149.2     9.9  17.3
    
    Gareth V. Williams           (C) Copyright 2012 MPC           M.P.E.C. 2012-C48
    

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