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  • MPEC 2008-U56 : COMET P/2008 T4 (HILL)

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    M.P.E.C. 2008-U56                                Issued 2008 Oct. 25, 16:26 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/2008 T4 (HILL)
    
    Observations:
        PK08T040  C2008 10 20.25957 01 44 56.68 +07 28 41.6          17.8 T EU056G96
        PK08T040  C2008 10 20.26453 01 44 56.50 +07 28 41.4          17.7 T EU056G96
        PK08T040  C2008 10 20.26955 01 44 56.25 +07 28 40.8          17.6 T EU056G96
        PK08T040  C2008 10 20.27448 01 44 56.04 +07 28 40.7          17.7 T EU056G96
        PK08T040  C2008 10 20.40034 01 44 50.49 +07 28 34.2          17.4 T EU056G96
        PK08T040  C2008 10 20.40234 01 44 50.42 +07 28 34.3          17.4 T EU056G96
        PK08T040  C2008 10 20.40438 01 44 50.35 +07 28 34.1          17.7 T EU056G96
        PK08T040  C2008 10 20.40639 01 44 50.20 +07 28 34.0          17.5 T EU056G96
        PK08T040  C2008 10 20.82672 01 44 32.96 +07 28 11.3          18.2 T EU056215
        PK08T040  C2008 10 20.82796 01 44 32.90 +07 28 11.2          18.0 T EU056215
        PK08T040  C2008 10 20.82897 01 44 32.58 +07 28 13.0          15.8 N EU056A71
        PK08T040  C2008 10 20.82919 01 44 32.84 +07 28 11.2          18.0 T EU056215
        PK08T040  C2008 10 20.83289 01 44 32.65 +07 28 11.2          15.9 N EU056A71
        PK08T040  C2008 10 20.94960 01 44 27.75 +07 28 07.0          18.5 N EU056J47
        PK08T040  C2008 10 20.96074 01 44 27.26 +07 28 06.5          18.5 N EU056J47
        PK08T040  C2008 10 20.96732 01 44 26.98 +07 28 06.4          18.5 N EU056J47
        PK08T040  C2008 10 20.97413 01 44 26.68 +07 28 05.9          18.6 N EU056J47
    
    Observer details:
    215 Buchloe.  Observer W. Hasubick.  0.44-m f/4.6 reflector + CCD.
    A71 Stixendorf.  Observer M. Jaeger.  Measurer W. Vollmann.  0.20-m f/2.8
        reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  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.  0.30-m Schmidt-Cassegrain + CCD.
    
    Orbital elements:
        P/2008 T4 (Hill)
    T 2008 Dec. 22.412 TT                                   MPC
    q   2.51088              (2000.0)            P               Q
    n   0.105407       Peri.    0.781       +0.700904       -0.709052
    a   4.43836        Node    44.724       +0.653802       +0.595366
    e   0.43428        Incl.    6.308       +0.285090       +0.377868
    P   9.35
    From 81 observations 2008 Sept. 28-Oct. 20.
    
    Ephemeris:
        P/2008 T4 (Hill)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2008 10 21    01 44.42   +07 28.1    1.556    2.550   176.8     1.3  18.5
    2008 10 31    01 37.52   +07 22.0    1.561    2.539   167.2     5.0  18.5
    2008 11 10    01 31.55   +07 23.1    1.592    2.529   156.0     9.2  18.5
    2008 11 20    01 27.35   +07 34.4    1.647    2.522   145.1    13.0  18.6
    2008 11 30    01 25.45   +07 57.8    1.723    2.516   134.7    16.2  18.7
    2008 12 10    01 26.12   +08 33.9    1.816    2.512   124.9    18.7  18.8
    2008 12 20    01 29.34   +09 22.0    1.922    2.511   115.8    20.7  18.9
    2008 12 30    01 34.97   +10 20.5    2.038    2.511   107.2    22.0  19.0
    
    Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-U56
    

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