• MPC Preparation (Info)

    • MPEC 2004-T11 : COMET C/2004 S1 (VAN NESS)

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    M.P.E.C. 2004-T11                                Issued 2004 Oct. 5, 01:21 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 S1 (VAN NESS)

Observations:
    CK04S010  C2004 10 03.82029 02 18 54.20 +14 31 06.8          17.2 N ET011104
    CK04S010  C2004 10 03.82176 02 18 53.50 +14 31 11.7          17.0 N ET011104
    CK04S010  C2004 10 03.82347 02 18 52.35 +14 31 17.7          17.8 N ET011104
    CK04S010  C2004 10 03.82523 02 18 51.12 +14 31 22.7          17.7 N ET011104
    CK04S010  C2004 10 03.86890 02 18 24.37 +14 33 37.5                 ET011246
    CK04S010  C2004 10 03.86935 02 18 24.10 +14 33 38.5                 ET011246
    CK04S010  C2004 10 03.87112 02 18 22.95 +14 33 43.8                 ET011246
    CK04S010  C2004 10 03.87285 02 18 21.85 +14 33 49.5                 ET011246
    CK04S010  C2004 10 03.87343 02 18 21.54 +14 33 51.1                 ET011246
    CK04S010  C2004 10 03.87391 02 18 21.24 +14 33 52.2                 ET011246
    CK04S010  C2004 10 03.87728 02 18 19.34 +14 34 03.6          17.1 N ET011213
    CK04S010  C2004 10 03.87850 02 18 18.58 +14 34 07.3          17.1 N ET011213
    CK04S010  C2004 10 03.88020 02 18 17.55 +14 34 12.3          17.1 N ET011213
    CK04S010  C2004 10 03.88118 02 18 16.97 +14 34 15.5          17.1 N ET011213
    CK04S010  C2004 10 03.93791 02 17 41.22 +14 37 08.2          18.9 N ET011A13
    CK04S010  C2004 10 03.94027 02 17 40.09 +14 37 18.5          17.8 N ET011A13
    CK04S010  C2004 10 03.94258 02 17 38.55 +14 37 25.8          17.6 N ET011A13
    CK04S010  C2004 10 03.94490 02 17 37.12 +14 37 32.2          17.4 N ET011A13
    CK04S010  C2004 10 03.94721 02 17 35.69 +14 37 39.9          18.1 N ET011A13
    CK04S010  C2004 10 04.95328 02 06 35.78 +15 31 10.2          17.4 N ET011A13
    CK04S010  C2004 10 04.95492 02 06 34.66 +15 31 16.9          17.8 N ET011A13
    CK04S010  C2004 10 04.95653 02 06 33.59 +15 31 22.1          18.1 N ET011A13
    CK04S010  C2004 10 04.95814 02 06 32.51 +15 31 27.7          17.5 N ET011A13
    CK04S010  C2004 10 04.95961 02 06 31.36 +15 31 31.8          17.3 N ET011A13

Observer details:
104 San Marcello Pistoiese.  Observers L. Tesi, A. Boattini, M. Tombelli,
    G. Fagioli.  Measurers G. Forti, L. Tesi, A. Boattini, M. Tombelli.
    0.60-m f/4 reflector + CCD.
213 Observatorio Montcabre.  Observer R. Naves.  Measurer M. Campas.  0.30-m
    f/6.6 Schmidt-Cassegrain + CCD.
246 Klet Observatory-KLENOT.  Observers J. Ticha, M. Tichy.  Measurer M. Tichy.
    1.06-m KLENOT Telescope + CCD.
A13 Observatoire Naef, Marly.  Observer P. Kocher.  0.5-m f/3.3 Hypergraph
    + CCD.

Orbital elements:
    C/2004 S1 (Van Ness)
T 2004 Dec. 8.912 TT                                    MPC
q   0.68138              (2000.0)            P               Q
                   Peri.   92.843       +0.090389       -0.949925
                   Node    19.218       -0.737169       -0.265768
e   1.0            Incl.  114.670       +0.669635       -0.164348
From 42 observations 2004 Sept. 26-Oct. 4.

Ephemeris:
    C/2004 S1 (Van Ness)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2004 10 02    02 35.67   +13 03.6    0.505    1.455   148.3    21.2  16.6
2004 10 04    02 17.05   +14 40.5    0.457    1.426   154.1    17.8  16.3
2004 10 06    01 53.76   +16 30.2    0.414    1.396   160.3    14.0  16.0
2004 10 08    01 24.73   +18 28.7    0.376    1.367   165.5    10.5  15.7
2004 10 10    00 49.14   +20 26.5    0.346    1.337   165.8    10.5  15.5
2004 10 12    00 07.10   +22 06.0    0.326    1.308   158.9    15.9  15.2
2004 10 14    23 20.42   +23 06.1    0.317    1.278   148.2    24.2  15.1
2004 10 16    22 32.75   +23 12.8    0.320    1.249   136.5    33.3  15.0
2004 10 18    21 48.13   +22 29.2    0.335    1.220   125.0    42.0  15.0
2004 10 20    21 09.27   +21 12.1    0.359    1.190   114.5    49.6  15.0
2004 10 22    20 36.96   +19 40.5    0.391    1.161   105.3    55.8  15.1
2004 10 24    20 10.69   +18 08.1    0.429    1.132    97.3    60.6  15.2
2004 10 26    19 49.44   +16 42.0    0.471    1.104    90.5    64.3  15.3
2004 10 28    19 32.16   +15 24.7    0.516    1.075    84.5    66.9  15.4
2004 10 30    19 17.97   +14 16.7    0.563    1.047    79.3    68.8  15.4
2004 11 01    19 06.16   +13 17.0    0.611    1.019    74.7    70.0  15.5

Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-T11

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