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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-Q69 : COMET C/2004 Q2 (MACHHOLZ)

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M.P.E.C. 2004-Q69                                Issued 2004 Aug. 30, 14:45 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 C/2004 Q2 (MACHHOLZ)

Observations:
    CK04Q020  C2004 08 28.53166 04 17 36.28 -22 27 20.8          14.1 N EQ069467
    CK04Q020  C2004 08 28.53470 04 17 36.54 -22 27 21.7          14.1 N EQ069467
    CK04Q020  C2004 08 28.53775 04 17 36.78 -22 27 22.5          14.1 N EQ069467
    CK04Q020  C2004 08 28.56057 04 17 38.57 -22 27 30.2          14.1 N EQ069467
    CK04Q020  C2004 08 28.60061 04 17 41.62 -22 27 43.2          14.1 N EQ069467
    CK04Q020  C2004 08 28.64155 04 17 44.74 -22 27 56.4          13.2 N EQ069467
    CK04Q020  C2004 08 29.12728 04 18 22.32 -22 30 36.8          13.2 N EQ069213
    CK04Q020  C2004 08 29.12812 04 18 22.42 -22 30 36.1          13.2 N EQ069213
    CK04Q020  C2004 08 29.44064 04 18 46.42 -22 32 14.2          15.3 N EQ069809
    CK04Q020  C2004 08 30.47743 04 20 06.45 -22 37 57.4          10.5 T EQ069673
    CK04Q020  C2004 08 30.47975 04 20 06.62 -22 37 58.3                 EQ069673
    CK04Q020  C2004 08 30.48378 04 20 06.93 -22 37 59.5                 EQ069673
    CK04Q020  C2004 08 30.49016 04 20 07.41 -22 38 01.7                 EQ069673

Observer details:
213 Observatorio Montcabre.  Observer R. Naves.  Measurer M. Campas.  0.30-m
    f/6.6 Schmidt-Cassegrain + CCD.
467 Auckland Observatory.  Observer G. W. Christie.  0.35-m f/11
    Schmidt-Cassegrain + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
    reflector + CCD.
809 European Southern Observatory, La Silla.  Observer R. Behrend.  1.20-m
    Euler reflector + CCD.

Orbital elements:
    C/2004 Q2 (Machholz)
T 2005 Jan. 24.837 TT                                   MPC
q   1.20341              (2000.0)            P               Q
                   Peri.   19.591       -0.320380       -0.713939
                   Node    93.580       +0.764464       -0.583002
e   1.0            Incl.   38.596       +0.559421       +0.387814
From 38 observations 2004 Aug. 27-30.

Ephemeris:
    C/2004 Q2 (Machholz)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2004 08 23    04 10.36   -21 59.8    2.239    2.519    93.9    23.6  11.3
2004 09 02    04 23.31   -22 52.2    2.049    2.408    98.1    24.5  10.9
2004 09 12    04 35.54   -23 55.5    1.864    2.298   102.2    25.4  10.5
2004 09 22    04 46.74   -25 08.0    1.685    2.187   106.1    26.2  10.0
2004 10 02    04 56.56   -26 26.5    1.513    2.077   109.8    27.0   9.6
2004 10 12    05 04.57   -27 46.7    1.347    1.968   113.3    27.7   9.1
2004 10 22    05 10.17   -29 00.9    1.187    1.861   116.8    28.5   8.6

Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-Q69

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