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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-L31 : COMET P/2005 L2 (McNAUGHT)

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M.P.E.C. 2005-L31                                Issued 2005 June 6, 20:08 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 L2 (McNAUGHT)

Observations:
    CK05L020  C2005 06 04.39013 13 17 27.51 -46 55 37.5                 EL031E12
    CK05L020  C2005 06 04.39946 13 17 25.83 -46 55 21.3                 EL031E12
    CK05L020  C2005 06 04.40413 13 17 25.10 -46 55 14.2          19.0 T EL031E12
    CK05L020  C2005 06 05.48552 13 14 32.55 -46 24 29.7          18.9 T EL031E12
    CK05L020  C2005 06 05.49382 13 14 31.22 -46 24 16.0          19.0 T EL031E12
    CK05L020  C2005 06 05.50206 13 14 29.94 -46 24 00.7          19.0 T EL031E12
    CK05L020  C2005 06 05.51032 13 14 28.78 -46 23 48.7          18.9 T EL031E12

Observer details:
E12 Siding Spring Survey.  Observer R. H. McNaught.  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.  0.5-m Uppsala Schmidt + CCD.

Orbital elements:
    C/2005 L2 (McNaught)
T 2005 July 8.504 TT                                    MPC
q   3.19950              (2000.0)            P               Q
                   Peri.  292.454       -0.688210       -0.700372
                   Node   155.523       -0.373262       +0.565576
e   1.0            Incl.  152.809       -0.622128       +0.435434
From 26 observations 2005 June 2-5.

Ephemeris:
    C/2005 L2 (McNaught)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2005 05 30    13 33.51   -49 26.3    2.415    3.222   136.0    12.6  18.5
2005 06 09    13 05.95   -44 44.5    2.503    3.212   126.5    14.7  18.6
2005 06 19    12 47.05   -40 08.1    2.635    3.205   115.4    16.6  18.7
2005 06 29    12 34.71   -35 59.1    2.800    3.201   104.0    18.0  18.8
2005 07 09    12 27.15   -32 26.3    2.984    3.200    92.8    18.5  18.9
2005 07 19    12 23.05   -29 30.4    3.178    3.201    82.1    18.3  19.1
2005 07 29    12 21.42   -27 08.4    3.373    3.206    71.9    17.5  19.2

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-L31

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