• MPC Preparation (Info)

  • MPEC 2004-R70 : COMET C/2004 Q2 (MACHHOLZ)

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    M.P.E.C. 2004-R70                                Issued 2004 Sept. 13, 15:28 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 31.33429 04 21 12.06 -22 42 40.4          13.3 N ER070859
        CK04Q020  C2004 08 31.33740 04 21 12.29 -22 42 41.6          13.3 N ER070859
        CK04Q020  C2004 08 31.34152 04 21 12.60 -22 42 43.1          13.3 N ER070859
        CK04Q020  C2004 08 31.34462 04 21 12.85 -22 42 43.9          13.3 N ER070859
        CK04Q020  C2004 09 05.32868 04 27 28.83 -23 12 05.0          13.2 N ER070859
        CK04Q020  C2004 09 05.33501 04 27 29.26 -23 12 07.4          13.2 N ER070859
        CK04Q020  C2004 09 05.33921 04 27 29.59 -23 12 09.1          13.2 N ER070859
        CK04Q020  C2004 09 05.34348 04 27 29.86 -23 12 10.2          13.2 N ER070859
        CK04Q020  C2004 09 06.58416 04 29 01.90 -23 19 51.9          14.2 N ER070415
        CK04Q020  C2004 09 06.58481 04 29 01.95 -23 19 51.8          14.2 N ER070415
        CK04Q020  C2004 09 08.14774 04 30 56.29 -23 29 55.6          12.6 N ER070615
        CK04Q020  C2004 09 08.15063 04 30 56.50 -23 29 56.6          12.6 N ER070615
        CK04Q020  C2004 09 08.15352 04 30 56.70 -23 29 57.7          12.7 N ER070615
        CK04Q020  C2004 09 08.15639 04 30 56.91 -23 29 58.9          12.7 N ER070615
        CK04Q020  C2004 09 09.64724 04 32 45.03 -23 39 36.8          12.6 T ER070D86
        CK04Q020  C2004 09 09.65373 04 32 45.53 -23 39 39.8          12.6 T ER070D86
        CK04Q020  C2004 09 09.65768 04 32 45.72 -23 39 41.8          12.7 T ER070D86
        CK04Q020  C2004 09 10.22003 04 33 26.17 -23 43 26.2          14.2 T ER070844
        CK04Q020  C2004 09 10.23101 04 33 26.95 -23 43 30.6          14.2 T ER070844
        CK04Q020  C2004 09 10.23704 04 33 27.38 -23 43 32.7          14.2 T ER070844
        CK04Q020  C2004 09 10.24468 04 33 27.93 -23 43 36.2          14.2 T ER070844
        CK04Q020  C2004 09 10.25666 04 33 28.78 -23 43 40.6          14.3 T ER070844
        CK04Q020   2004 09 10.77813 04 34 05.99 -23 47 15.3          10.5 T ER070372
        CK04Q020   2004 09 10.78177 04 34 06.25 -23 47 16.1          10.5 T ER070372
        CK04Q020  C2004 09 11.19814 04 34 36.05 -23 49 58.8          13.2 N ER070I05
        CK04Q020  C2004 09 11.19910 04 34 36.12 -23 49 59.3          13.2 N ER070I05
        CK04Q020  C2004 09 11.20007 04 34 36.18 -23 49 59.8          13.2 N ER070I05
        CK04Q020  C2004 09 11.71966 04 35 12.93 -23 53 36.3                 ER070349
        CK04Q020  C2004 09 11.72087 04 35 13.01 -23 53 36.7                 ER070349
        CK04Q020  C2004 09 11.72206 04 35 13.09 -23 53 37.4                 ER070349
        CK04Q020  C2004 09 11.72380 04 35 13.22 -23 53 37.9          10.9 T ER070349
        CK04Q020  C2004 09 11.72975 04 35 13.59 -23 53 35.2          12.5 T ER070D86
        CK04Q020  C2004 09 11.73499 04 35 13.98 -23 53 37.5          13.1 T ER070D86
        CK04Q020  C2004 09 11.74116 04 35 14.38 -23 53 40.3          13.2 T ER070D86
        CK04Q020  C2004 09 11.81682 04 35 19.72 -23 54 16.1          12.7 N ER070379
        CK04Q020  C2004 09 11.81830 04 35 19.75 -23 54 16.9          12.4 N ER070379
        CK04Q020  C2004 09 11.82272 04 35 20.03 -23 54 18.1          12.3 N ER070379
        CK04Q020  C2004 09 11.82432 04 35 20.22 -23 54 19.0          12.3 N ER070379
        CK04Q020  C2004 09 12.16112 04 35 44.03 -23 56 38.1          13.2 N ER070J95
        CK04Q020  C2004 09 12.16174 04 35 44.07 -23 56 38.5          13.3 N ER070J95
        CK04Q020  C2004 09 12.16232 04 35 44.11 -23 56 38.1          13.2 N ER070J95
        CK04Q020  C2004 09 12.74896 04 36 25.41 -24 00 40.0                 ER070349
        CK04Q020  C2004 09 12.74975 04 36 25.47 -24 00 40.4                 ER070349
        CK04Q020  C2004 09 12.75058 04 36 25.52 -24 00 40.6                 ER070349
        CK04Q020  C2004 09 12.75141 04 36 25.59 -24 00 40.9          10.9 T ER070349
    
    Observer details:
    349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
    372 Geisei.  Observer T. Seki.  0.60-m f/3.5 reflector.
    379 Hamamatsu-Yuto.  Observer S. Wakuda.  0.25-m f/5.0 Schmidt-Cassegrain
        + CCD.
    415 Kambah, near Canberra.  Observer D. Herald.  0.36-m
        f/3.9 Schmidt-Cassegrain + CCD.
    615 St. Veran.  Observers J. Le Floch, C. Demeautis, D. Matter, R. Soubie,
        M. Hernandez.  Measurer C. Demeautis.  0.62-m f/3 reflector + CCD.
    844 Los Molinos.  Observer S. Roland.  0.35-m f/7.3 reflector + CCD.
    859 Wykrota Observatory-CEAMIG.  Observer C. Jacques.  0.30-m f/3.0
        Schmidt-Cassegrain + CCD.
    D86 Penwortham.  Observer J. Tilbrook.  0.20-m f/3 reflector + CCD.
    I05 Las Campanas Observatory-TIE.  Observers G. Masi, F. Mallia.  Measurer
        G. Masi.  0.36-m SoTIE reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
        C/2004 Q2 (Machholz)
    T 2005 Jan. 24.894 TT                                   MPC
    q   1.20497              (2000.0)            P               Q
                       Peri.   19.497       -0.320056       -0.714191
                       Node    93.631       +0.765167       -0.582303
    e   1.0            Incl.   38.590       +0.558644       +0.388401
    From 118 observations 2004 Aug. 27-Sept. 12.
    
    Ephemeris:
        C/2004 Q2 (Machholz)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2004 09 12    04 35.54   -23 55.5    1.865    2.298   102.2    25.3  10.5
    2004 09 22    04 46.74   -25 08.0    1.686    2.188   106.1    26.2  10.0
    2004 10 02    04 56.56   -26 26.5    1.514    2.078   109.8    27.0   9.6
    2004 10 12    05 04.56   -27 46.6    1.348    1.969   113.3    27.7   9.1
    2004 10 22    05 10.15   -29 00.7    1.188    1.862   116.8    28.5   8.6
    
    Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-R70
    

    Read MPEC 2004-R69 Read MPEC 2004-R71


    MPEC number:

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    • 1997-B01 (the full form)
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    • B01 (the abbreviated form)