• Processing (Info)

    • MPEC 2008-M31 : COMET C/2008 L2 (HILL)

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    M.P.E.C. 2008-M31                                Issued 2008 June 25, 16:14 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 L2 (HILL)

Observations:
    CK08L020  C2008 06 15.04129 23 44 38.13 +23 11 12.3                 EM031J95
    CK08L020  C2008 06 15.05865 23 44 39.68 +23 11 24.3          18.5 T EM031J95
    CK08L020  C2008 06 15.07278 23 44 40.95 +23 11 33.9                 EM031J95
    CK08L020  C2008 06 15.08064 23 44 41.67 +23 11 39.0          18.5 T EM031J95
    CK08L020  C2008 06 15.45150 23 45 14.89 +23 15 48.0          18.0 T EM031673
    CK08L020  C2008 06 15.45590 23 45 15.27 +23 15 50.9                 EM031673
    CK08L020  C2008 06 15.46204 23 45 15.80 +23 15 54.9                 EM031673
    CK08L020  C2008 06 16.14205 23 46 16.43 +23 23 26.8          18.8 N EM031J24
    CK08L020  C2008 06 16.15065 23 46 17.24 +23 23 32.6          19.0 N EM031J24
    CK08L020  C2008 06 16.15843 23 46 17.91 +23 23 38.3          19.0 N EM031J24
    CK08L020  C2008 06 19.03923 23 50 32.75 +23 55 03.5          18.5 N EM031213
    CK08L020  C2008 06 19.10726 23 50 38.62 +23 55 49.2          18.5 N EM031213
    CK08L020  C2008 06 19.11737 23 50 39.48 +23 55 55.6          18.4 N EM031213
    CK08L020  C2008 06 22.12368 23 55 01.43 +24 27 59.3          18.5 N EM031J70
    CK08L020  C2008 06 22.12442 23 55 01.49 +24 27 59.8          18.5 N EM031J70
    CK08L020  C2008 06 22.12517 23 55 01.55 +24 28 00.3          18.5 N EM031J70
    CK08L020  C2008 06 22.12816 23 55 01.80 +24 28 02.4          18.5 N EM031J70

Observer details:
213 Observatorio Montcabre.  Observer R. Naves.  Measurer M. Campas.  0.30-m
    f/5 Schmidt-Cassegrain + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.61-m f/16
    Cassegrain + CCD.
J24 Observatorio Altamira.  Observer J. F. Hernandez.  0.4-m f/10
    Schmidt-Cassegrain + CCD.
J70 Obs. Astronomico Vega del Thader, El Palmar.  Observer J. P Navarro P.
    0.25-m Schmidt-Cassegrain + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
    C/2008 L2 (Hill)
T 2008 July 26.315 TT                                   MPC
q   2.51073              (2000.0)            P               Q
                   Peri.  130.234       +0.943034       +0.160043
                   Node   223.005       -0.188677       +0.979348
e   1.0            Incl.   25.317       +0.274021       +0.123547
From 56 observations 2008 June 12-22.

Ephemeris:
    C/2008 L2 (Hill)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2008 06 23    23 56.28   +24 37.2    2.453    2.537    82.9    23.4  18.0
2008 07 03    00 10.17   +26 16.1    2.343    2.523    88.1    23.7  17.9
2008 07 13    00 23.00   +27 42.6    2.235    2.515    93.7    23.8  17.8
2008 07 23    00 34.54   +28 53.8    2.132    2.511    99.7    23.5  17.6
2008 08 02    00 44.51   +29 46.9    2.033    2.512   106.1    22.8  17.5
2008 08 12    00 52.61   +30 18.5    1.941    2.517   113.1    21.7  17.4
2008 08 22    00 58.66   +30 25.2    1.857    2.527   120.7    20.1  17.4

Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-M31

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    MPEC number:

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    • B01 (the abbreviated form)