• MPC Preparation (Info)

    • MPEC 2004-K68 : COMET P/2004 HC18 (LINEAR)

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    M.P.E.C. 2004-K68                                Issued 2004 May 29, 15:06 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 22.97546 15 05 37.23 -01 42 57.5          16.9 N EK068939
    PK04H18C  C2004 05 22.98012 15 05 37.18 -01 42 49.8          16.9 N EK068939
    PK04H18C  C2004 05 22.98476 15 05 37.13 -01 42 42.1          16.9 N EK068939
    PK04H18C  C2004 05 23.01513 15 05 36.74 -01 41 51.5          16.6 N EK068A02
    PK04H18C  C2004 05 23.01654 15 05 36.72 -01 41 48.7          16.5 N EK068A02
    PK04H18C  C2004 05 23.01796 15 05 36.70 -01 41 46.6          16.5 N EK068A02
    PK04H18C  C2004 05 23.91777 15 05 30.83 -01 17 14.4          17.6 T EK068A41
    PK04H18C  C2004 05 23.95696 15 05 30.73 -01 16 02.7          14.5 T EK068A41
    PK04H18C  C2004 05 24.25287 15 05 28.84 -01 08 08.8          17.8 T EK068704
    PK04H18C  C2004 05 24.26180 15 05 28.76 -01 07 54.4          18.0 T EK068704
    PK04H18C  C2004 05 24.27072 15 05 28.66 -01 07 40.2          18.4 T EK068704
    PK04H18C  C2004 05 24.27964 15 05 28.57 -01 07 25.3          17.6 T EK068704
    PK04H18C  C2004 05 24.28857 15 05 28.48 -01 07 11.2          18.0 T EK068704
    PK04H18C  C2004 05 24.61766 15 05 26.56 -00 58 21.4          17.0 T EK068360
    PK04H18C  C2004 05 24.62233 15 05 26.51 -00 58 14.9                 EK068D70
    PK04H18C  C2004 05 24.62238 15 05 26.52 -00 58 14.0                 EK068360
    PK04H18C  C2004 05 24.62873 15 05 26.46 -00 58 04.2                 EK068D70
    PK04H18C  C2004 05 24.63029 15 05 26.47 -00 58 00.2          16.7 N EK068D70
    PK04H18C  C2004 05 25.60848 15 05 21.54 -00 32 08.2                 EK068349
    PK04H18C  C2004 05 25.61938 15 05 21.42 -00 31 51.7                 EK068349
    PK04H18C  C2004 05 25.62381 15 05 21.40 -00 31 44.9          17.3 T EK068349
    PK04H18C  C2004 05 26.03288 15 05 19.58 -00 21 04.9          17.4 T EK068A41
    PK04H18C  C2004 05 26.04856 15 05 19.45 -00 20 41.5          17.6 T EK068A41
    PK04H18C  C2004 05 26.06420 15 05 19.35 -00 20 15.8          17.7 T EK068A41
    PK04H18C  C2004 05 27.62465 15 05 14.96 +00 19 35.8          16.9 T EK068360
    PK04H18C  C2004 05 27.63001 15 05 14.94 +00 19 43.5                 EK068360

Observer details:
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
360 Kuma Kogen.  Observer A. Nakamura.  0.60-m f/5.8 Ritchey-Chretien + 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.
939 Observatorio Rodeno.  Observer J. Castellano.  0.20-m f/10
    Schmidt-Cassegrain + CCD.
A02 Masia Cal Maciarol Modul 8.  Observers J. L. Salto, A. Salto.  0.25-m
    f/7.2 Schmidt-Cassegrain + CCD.
A41 Rezman Observatory, Kamnik.  Observers R. Palcic, A. Spenko.  0.41-m f/3.1
    reflector + CCD.
D70 Tosa.  Observer S. Shimomoto.  0.20-m f/6.3 Schmidt-Cassegrain + CCD.

Orbital elements:
    P/2004 HC18 (LINEAR)
T 2004 June 18.6650 TT                                  MPC
q   1.711865             (2000.0)            P               Q
n   0.1509926      Peri.   30.8272      -0.3627242      +0.8965665
a   3.492735       Node   219.5631      -0.9155017      -0.3937678
e   0.509878       Incl.   23.5187      -0.1740339      +0.2027693
P   6.53
From 104 observations 2004 Apr. 17-May 27.

Ephemeris:
    P/2004 HC18 (LINEAR)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2004 05 25    15 05.41   -00 48.1    0.757    1.727   154.7    14.5        17.9
2004 06 04    15 05.62   +03 08.4    0.790    1.717   144.0    20.3        18.2
2004 06 14    15 08.31   +06 01.9    0.839    1.712   134.6    25.0        18.4
2004 06 24    15 13.79   +07 52.9    0.902    1.713   126.4    28.5        18.7
2004 07 04    15 22.03   +08 49.5    0.973    1.718   119.3    31.1        18.9
2004 07 14    15 32.76   +09 02.7    1.053    1.728   113.3    32.7        19.2
2004 07 24    15 45.69   +08 42.3    1.137    1.744   108.0    33.7        19.4

Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-K68

    Read MPEC 2004-K67 Read MPEC 2004-K69

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