• MPC Preparation (Info)

  • MPEC 2005-M30 : COMET P/2005 L4 (CHRISTENSEN)

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    M.P.E.C. 2005-M30                                Issued 2005 June 20, 02:10 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.
    
                      Supported in part by the Brinson Foundation
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                             COMET P/2005 L4 (CHRISTENSEN)
    
    Observations:
        PK05L040  C2005 06 16.36475 20 10 40.51 -18 46 41.6          19.9 T EM030691
        PK05L040  C2005 06 16.38225 20 10 40.12 -18 46 33.1          19.8 T EM030691
        PK05L040  C2005 06 16.39979 20 10 39.72 -18 46 24.5          19.7 T EM030691
        PK05L040  C2005 06 17.35128 20 10 20.17 -18 38 36.3          19.5 T EM030G96
        PK05L040  C2005 06 17.36216 20 10 19.92 -18 38 30.8          19.6 T EM030G96
        PK05L040  C2005 06 18.03950 20 10 04.99 -18 32 59.3          19.4 T EM030170
        PK05L040  C2005 06 18.04131 20 10 04.94 -18 32 58.2          19.5 T EM030170
        PK05L040  C2005 06 18.04313 20 10 04.90 -18 32 57.5          19.4 T EM030170
        PK05L040  C2005 06 18.04494 20 10 04.86 -18 32 56.6          19.5 T EM030170
        PK05L040  C2005 06 18.05757 20 10 04.56 -18 32 50.1          19.1 N EM030213
        PK05L040  C2005 06 18.05940 20 10 04.51 -18 32 49.2          19.1 N EM030213
        PK05L040  C2005 06 18.06123 20 10 04.46 -18 32 48.4          19.1 N EM030213
        PK05L040  C2005 06 18.08694 20 10 03.72 -18 32 35.7          19.4 N EM030J76
        PK05L040  C2005 06 18.08906 20 10 03.89 -18 32 34.8          19.6 N EM030J76
        PK05L040  C2005 06 18.09118 20 10 03.78 -18 32 33.4          19.5 N EM030J76
    
    Observer details:
    170 Observatorio de Begues.  Observer J. Manteca.  0.36-m f/10
        Schmidt-Cassegrain + CCD.
    213 Observatorio Montcabre.  Observer R. Naves.  Measurer M. Campas.  0.30-m
        f/5.9 Schmidt-Cassegrain + CCD.
    691 Steward Observatory, Kitt Peak.  Observer M. T. Read.  0.9-m f/3 reflector
        + CCD.
    G96 Mt. Lemmon Survey.  Observer E. J. Christensen.  Measurers E. C. Beshore,
        C. M. Casey, E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill,
        S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
    J76 La Murta.  Observers S. Pastor, J. A. Reyes.  0.40-m f/6.3
        Schmidt-Cassegrain + CCD.
    
    Orbital elements:
        P/2005 L4 (Christensen)
    T 2005 Aug. 24.033 TT                                   MPC
    q   2.36711              (2000.0)            P               Q
    n   0.118160       Peri.   24.531       +0.606258       +0.742788
    a   4.11298        Node   284.072       -0.769436       +0.457542
    e   0.42448        Incl.   17.032       -0.201048       +0.488795
    P   8.34
    From 34 observations 2005 June 3-18.
    
    Ephemeris:
        P/2005 L4 (Christensen)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2005 06 19    20 09.71   -18 25.0    1.498    2.415   147.1    13.2  18.7
    2005 06 29    20 04.50   -17 03.0    1.431    2.402   157.4     9.4  18.6
    2005 07 09    19 57.31   -15 42.3    1.388    2.391   167.6     5.2  18.5
    2005 07 19    19 49.08   -14 24.8    1.369    2.382   173.4     2.8  18.5
    2005 07 29    19 40.97   -13 13.1    1.376    2.375   166.3     5.8  18.4
    2005 08 08    19 34.07   -12 09.1    1.408    2.370   156.0    10.0  18.5
    2005 08 18    19 29.32   -11 13.9    1.461    2.368   145.7    13.9  18.6
    2005 08 28    19 27.24   -10 27.2    1.535    2.367   136.0    17.3  18.7
    
    Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-M30
    

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    MPEC number:

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    • 1997-B01 (the full form)
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    • B01 (the abbreviated form)