• MPC Preparation (Info)

    • MPEC 2004-J39 : COMET P/2004 HC18 (LINEAR)

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    Read MPEC 2004-J38 Read MPEC 2004-J40 

    M.P.E.C. 2004-J39                                Issued 2004 May 10, 18:34 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 P/2004 HC18 (LINEAR)

Observations:
    PK04H18C  C2004 05 01.31241 15 09 58.31 -12 41 56.3          17.9 T EJ039704
    PK04H18C  C2004 05 01.32251 15 09 58.15 -12 41 37.5          17.5 T EJ039704
    PK04H18C  C2004 05 01.33258 15 09 58.02 -12 41 18.4          17.6 T EJ039704
    PK04H18C  C2004 05 10.33140 15 08 03.52 -08 00 28.7          16.5 T EJ039703
    PK04H18C  C2004 05 10.34050 15 08 03.35 -08 00 11.5          16.3 T EJ039703
    PK04H18C  C2004 05 10.34955 15 08 03.18 -07 59 54.4          16.4 T EJ039703
    PK04H18C  C2004 05 10.35862 15 08 03.06 -07 59 37.5          16.2 T EJ039703

Observer details:
703 Catalina Sky Survey.  Observers S. Larson, E. Beshore, E. Christensen,
    R. Hill, S. Howard, D. McLean.  0.68-m f/1.8 Schmidt + 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.

Orbital elements:
    P/2004 HC18 (LINEAR)
T 2004 June 18.6494 TT                                  MPC
q   1.711655             (2000.0)            P               Q
n   0.1511435      Peri.   30.8227      -0.3628028      +0.8965612
a   3.490410       Node   219.5614      -0.9154546      -0.3938541
e   0.509612       Incl.   23.5104      -0.1741175      +0.2026252
P   6.52
From 23 observations 2004 Apr. 17-May 10.

Ephemeris:
    P/2004 HC18 (LINEAR)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2004 05 05    15 09.25   -10 47.6    0.757    1.762   172.7     4.2        17.5
2004 05 15    15 07.01   -05 35.7    0.744    1.742   165.7     8.2        17.6
2004 05 25    15 05.41   -00 48.1    0.756    1.727   154.7    14.5        17.9
2004 06 04    15 05.62   +03 08.3    0.789    1.717   144.0    20.3        18.2
2004 06 14    15 08.31   +06 01.8    0.839    1.712   134.6    25.0        18.4
2004 06 24    15 13.79   +07 52.8    0.901    1.712   126.4    28.5        18.7

Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-J39

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