• Processing (Info)

    • MPEC 2008-X84 : COMET P/2008 X1 (HILL)

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    M.P.E.C. 2008-X84                                Issued 2008 Dec. 15, 00:33 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 X1 (HILL)

Observations:
    PK08X010  C2008 12 06.22902 05 22 46.56 +03 25 03.2          17.8 T EX084703
    PK08X010  C2008 12 06.23446 05 22 46.23 +03 25 04.6          17.5 T EX084703
    PK08X010  C2008 12 06.23998 05 22 45.94 +03 25 05.9          17.7 T EX084703
    PK08X010  C2008 12 06.24547 05 22 45.76 +03 25 07.1          17.8 T EX084703
    PK08X010  C2008 12 06.95520 05 22 09.80 +03 28 00.4          18.1 N EX084204
    PK08X010   2008 12 07.73507 05 21 29.91 +03 31 19.9          17.8 T EX084372
    PK08X010   2008 12 07.74740 05 21 29.25 +03 31 23.7                 EX084372
    PK08X010   2008 12 09.77830 05 19 44.60 +03 40 41.4          17.6 T EX084372
    PK08X010  C2008 12 14.65220 05 15 29.83 +04 06 33.3          18.0 N EX084900
    PK08X010  C2008 12 14.66376 05 15 29.21 +04 06 37.2                 EX084900

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.38-m f/6.8 reflector
    + CCD.
372 Geisei.  Observers T. Seki, K. Muraoka, S. Shimomoto.  0.70-m f/7
    reflector.
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.
900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.

Orbital elements:
    P/2008 X1 (Hill)
T 2009 May 8.181 TT                                     MPC
q   2.35762              (2000.0)            P               Q
n   0.146106       Peri.    4.640       -0.525166       -0.801040
a   3.57019        Node   117.300       +0.770005       -0.591028
e   0.33964        Incl.   18.863       +0.362344       +0.094981
P   6.75
From 60 observations 2008 Dec. 4-14.

Ephemeris:
    P/2008 X1 (Hill)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2008 12 10    05 19.56   +03 41.8    1.594    2.544   160.6     7.4  17.6
2008 12 20    05 10.85   +04 40.8    1.579    2.521   158.7     8.2  17.5
2008 12 30    05 02.77   +05 59.5    1.591    2.500   151.5    10.8  17.5
2009 01 09    04 56.41   +07 33.9    1.628    2.480   142.3    14.0  17.5
2009 01 19    04 52.51   +09 18.7    1.686    2.461   132.6    17.1  17.5
2009 01 29    04 51.49   +11 08.9    1.763    2.443   123.0    19.7  17.6
2009 02 08    04 53.50   +13 00.2    1.853    2.427   114.0    21.8  17.7
2009 02 18    04 58.41   +14 48.9    1.953    2.413   105.5    23.2  17.8
2009 02 28    05 06.01   +16 32.6    2.060    2.400    97.5    24.2  17.9

Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-X84

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