MPEC 2004-L58 : COMET C/2004 L1 (LINEAR)

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M.P.E.C. 2004-L58                                Issued 2004 June 14, 17:53 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 Steven and Michele Kirsch 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 C/2004 L1 (LINEAR)

Observations:
    CK04L010  C2004 06 12.27759 17 58 16.96 -12 54 06.6          18.0 N EL058704
    CK04L010  C2004 06 12.29782 17 58 14.51 -12 54 09.6          18.6 N EL058704
    CK04L010  C2004 06 12.30778 17 58 13.30 -12 54 11.5          18.6 N EL058704
    CK04L010  C2004 06 12.94946 17 56 53.10 -12 55 42.9          17.8 N EL058A50
    CK04L010  C2004 06 12.95159 17 56 52.75 -12 55 43.5          17.0 N EL058A50
    CK04L010  C2004 06 12.95370 17 56 52.51 -12 55 43.7          17.2 N EL058A50
    CK04L010  C2004 06 12.95583 17 56 52.25 -12 55 43.6          17.1 N EL058A50
    CK04L010  C2004 06 12.95795 17 56 52.04 -12 55 43.4          17.3 N EL058A50
    CK04L010  C2004 06 12.98443 17 56 48.65 -12 55 50.4          18.2 N EL058J95
    CK04L010  C2004 06 12.99512 17 56 47.36 -12 55 50.3                 EL058620
    CK04L010  C2004 06 12.99799 17 56 47.04 -12 55 50.9                 EL058620
    CK04L010  C2004 06 13.01589 17 56 44.94 -12 55 50.4          18.3 N EL058859
    CK04L010  C2004 06 13.01793 17 56 44.61 -12 55 50.8          18.3 N EL058859
    CK04L010  C2004 06 13.02001 17 56 44.40 -12 55 51.2          18.2 N EL058859
    CK04L010  C2004 06 13.02007 17 56 44.30 -12 55 53.7          18.9 N EL058J95
    CK04L010  C2004 06 13.02201 17 56 43.96 -12 55 52.5          18.2 N EL058859
    CK04L010  C2004 06 13.05429 17 56 39.95 -12 55 59.9          18.5 N EL058J87
    CK04L010  C2004 06 13.05649 17 56 39.60 -12 55 59.5          18.3 N EL058J87
    CK04L010  C2004 06 13.05870 17 56 39.35 -12 55 59.3          18.5 N EL058J87
    CK04L010  C2004 06 13.06211 17 56 38.94 -12 56 00.2          18.0 N EL058941
    CK04L010  C2004 06 13.06256 17 56 38.88 -12 56 00.4          18.0 N EL058941
    CK04L010  C2004 06 13.06344 17 56 38.76 -12 56 00.5          18.1 N EL058941
    CK04L010  C2004 06 13.06389 17 56 38.70 -12 56 00.5          17.9 N EL058941
    CK04L010  C2004 06 13.19397 17 56 22.53 -12 56 18.4          18.0 N EL058G90
    CK04L010  C2004 06 13.19875 17 56 21.91 -12 56 19.1          17.9 N EL058G90
    CK04L010  C2004 06 13.20353 17 56 21.29 -12 56 19.7          17.9 N EL058G90
    CK04L010  C2004 06 13.26527 17 56 13.51 -12 56 29.2          18.2 N EL058704
    CK04L010  C2004 06 13.27107 17 56 12.74 -12 56 31.0          18.2 N EL058704
    CK04L010  C2004 06 13.27515 17 56 12.29 -12 56 30.7          18.4 N EL058704
    CK04L010  C2004 06 13.28111 17 56 11.54 -12 56 31.3          18.5 N EL058704
    CK04L010  C2004 06 13.28493 17 56 11.07 -12 56 31.9          18.4 N EL058704
    CK04L010  C2004 06 13.29117 17 56 10.26 -12 56 33.5          18.4 N EL058704
    CK04L010  C2004 06 13.29488 17 56 09.78 -12 56 33.3          18.6 N EL058704
    CK04L010  C2004 06 13.30116 17 56 08.96 -12 56 34.7          18.4 N EL058704
    CK04L010  C2004 06 13.30468 17 56 08.56 -12 56 34.2          18.7 N EL058704
    CK04L010  C2004 06 13.31115 17 56 07.93 -12 56 34.6          19.2 N EL058704
    CK04L010  C2004 06 13.32655 17 56 05.80 -12 56 38.0          18.3 N EL058926
    CK04L010  C2004 06 13.32847 17 56 05.49 -12 56 38.2          18.5 N EL058926
    CK04L010  C2004 06 13.33037 17 56 05.23 -12 56 38.5          18.1 N EL058926
    CK04L010  C2004 06 13.37368 17 55 59.70 -12 56 45.0          17.6 N EL058651
    CK04L010  C2004 06 13.37562 17 55 59.55 -12 56 45.1          17.4 N EL058651
    CK04L010  C2004 06 13.37704 17 55 59.41 -12 56 45.4          17.5 N EL058651
    CK04L010  C2004 06 13.88297 17 54 55.73 -12 58 00.1          18.4 N EL058620
    CK04L010  C2004 06 13.97024 17 54 44.63 -12 58 12.5                 EL058557
    CK04L010  C2004 06 13.97468 17 54 44.09 -12 58 13.3                 EL058557
    CK04L010  C2004 06 13.98354 17 54 42.94 -12 58 14.6                 EL058557
    CK04L010  C2004 06 13.98576 17 54 42.66 -12 58 14.8                 EL058557
    CK04L010  C2004 06 13.98797 17 54 42.38 -12 58 15.3                 EL058557
    CK04L010  C2004 06 13.99020 17 54 42.09 -12 58 15.6                 EL058557
    CK04L010  C2004 06 14.18147 17 54 18.01 -12 58 43.1                 EL058734
    CK04L010  C2004 06 14.20851 17 54 14.48 -12 58 47.0          17.8 N EL058734
    CK04L010  C2004 06 14.22557 17 54 12.35 -12 58 49.7          18.0 N EL058G90
    CK04L010  C2004 06 14.22676 17 54 12.23 -12 58 49.5          17.7 N EL058G90
    CK04L010  C2004 06 14.22795 17 54 12.12 -12 58 49.6          17.6 N EL058G90
    CK04L010  C2004 06 14.29016 17 54 04.20 -12 58 59.0          18.0 T EL058673
    CK04L010  C2004 06 14.29468 17 54 03.59 -12 58 59.7                 EL058673
    CK04L010  C2004 06 14.29977 17 54 02.96 -12 59 00.5                 EL058673
    CK04L010  C2004 06 14.30440 17 54 02.33 -12 59 01.3                 EL058673
    CK04L010  C2004 06 14.34351 17 53 57.42 -12 59 06.5          18.4 N EL058926
    CK04L010  C2004 06 14.34542 17 53 57.09 -12 59 07.1          18.6 N EL058926
    CK04L010  C2004 06 14.34734 17 53 56.80 -12 59 06.9          18.1 N EL058926
    CK04L010  C2004 06 14.35104 17 53 56.35 -12 59 08.2                 EL058673
    CK04L010  C2004 06 14.36701 17 53 54.36 -12 59 09.9                 EL058673

Observer details:
557 Ondrejov.  Observer P. Kusnirak.  0.65-m f/3.6 reflector + CCD.
620 Observatorio Astronomico de Mallorca.  Observers S. Sanchez, R. Stoss,
    J. Nomen.  0.30-m f/9 Schmidt-Cassegrain + CCD.
651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
    Newtonian + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
    reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
    H. Stange, A. Milner.  Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
    1.0-m f/2.15 reflector + CCD.
734 Farpoint Observatory.  Observer G. Hug.  0.3-m f/6 Schmidt-Cassegrain
    + CCD.
859 Wykrota Observatory-CEAMIG.  Observer C. Jacques.  0.30-m f/3.0
    Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  0.81-m
    f/7 Ritchey-Chretien + CCD.
941 Observatorio Pla D'Arguines.  Observer R. Ferrando.  0.30-m
    Schmidt-Cassegrain + CCD.
A50 Andrushivka Astronomical Observatory.  Observers Y. Ivashchenko,
    O. Gerashchenko, V. Lokot, O. Drobenko.  0.6-m reflector + CCD.
G90 Three Buttes Observatory, Tucson.  Observer G. R. Jones.  0.4-m
    Ritchey-Chretien + CCD.
J87 La Canada.  Observer J. Lacruz.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
    C/2004 L1 (LINEAR)
T 2005 Mar. 31.408 TT                                   MPC
q   2.18138              (2000.0)            P               Q
                   Peri.  239.431       -0.945766       -0.079471
                   Node    65.634       -0.000809       +0.970187
e   1.0            Incl.  159.771       -0.324847       +0.228958
From 61 observations 2004 June 12-14.

Ephemeris:
    C/2004 L1 (LINEAR)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2004 06 14    17 54.68   -12 58.2    2.848    3.848   168.2     3.1  18.1
2004 06 24    17 32.90   -13 23.1    2.771    3.766   166.3     3.7  18.0
2004 07 04    17 10.61   -13 47.8    2.744    3.685   154.0     6.9  17.9
2004 07 14    16 49.15   -14 11.5    2.765    3.604   140.1    10.4  17.8
2004 07 24    16 29.68   -14 34.4    2.826    3.524   126.3    13.4  17.7

Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-L58

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