MPEC 2004-H37 : COMET C/2004 F4 (BRADFIELD)

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M.P.E.C. 2004-H37                                Issued 2004 Apr. 20, 21:32 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 C/2004 F4 (BRADFIELD)

Observations:
    CK04F040  S2004 04 16.28763 01 53 22.3  +04 13 09                   EH037249
    CK04F040  s2004 04 16.28763 2 +0.01089679 +0.00237085 +0.00021785   EH037249
    CK04F040  S2004 04 16.32923 01 53 04.4  +04 18 29                   EH037249
    CK04F040  s2004 04 16.32923 2 +0.01089598 +0.00237325 +0.00021963   EH037249
    CK04F040  S2004 04 16.37095 01 52 47.5  +04 23 54                   EH037249
    CK04F040  s2004 04 16.37095 2 +0.01089516 +0.00237567 +0.00022141   EH037249
    CK04F040  S2004 04 16.41261 01 52 29.8  +04 29 24                   EH037249
    CK04F040  s2004 04 16.41261 2 +0.01089433 +0.00237809 +0.00022319   EH037249
    CK04F040  S2004 04 16.45429 01 52 12.6  +04 34 51                   EH037249
    CK04F040  s2004 04 16.45429 2 +0.01089350 +0.00238051 +0.00022498   EH037249
    CK04F040  S2004 04 16.49595 01 51 55.3  +04 40 23                   EH037249
    CK04F040  s2004 04 16.49595 2 +0.01089267 +0.00238293 +0.00022677   EH037249
    CK04F040  S2004 04 16.53761 01 51 36.3  +04 46 12                   EH037249
    CK04F040  s2004 04 16.53761 2 +0.01089182 +0.00238536 +0.00022856   EH037249
    CK04F040  S2004 04 16.55936 01 51 28.1  +04 49 31                   EH037249
    CK04F040  s2004 04 16.55936 2 +0.01089138 +0.00238662 +0.00022950   EH037249
    CK04F040  S2004 04 16.56422 01 51 24.4  +04 50 12                   EH037249
    CK04F040  s2004 04 16.56422 2 +0.01089128 +0.00238691 +0.00022971   EH037249
    CK04F040  S2004 04 16.57932 01 51 16.6  +04 52 33                   EH037249
    CK04F040  s2004 04 16.57932 2 +0.01089098 +0.00238779 +0.00023036   EH037249
    CK04F040  S2004 04 16.62095 01 51 01.3  +04 57 25                   EH037249
    CK04F040  s2004 04 16.62095 2 +0.01089012 +0.00239022 +0.00023216   EH037249
    CK04F040  S2004 04 16.66261 01 50 43.6  +05 03 21                   EH037249
    CK04F040  s2004 04 16.66261 2 +0.01088926 +0.00239265 +0.00023396   EH037249
    CK04F040  S2004 04 16.70429 01 50 25.0  +05 08 39                   EH037249
    CK04F040  s2004 04 16.70429 2 +0.01088840 +0.00239509 +0.00023576   EH037249
    CK04F040  S2004 04 16.74595 01 50 06.9  +05 14 31                   EH037249
    CK04F040  s2004 04 16.74595 2 +0.01088753 +0.00239754 +0.00023757   EH037249
    CK04F040  S2004 04 16.78762 01 49 46.9  +05 20 57                   EH037249
    CK04F040  s2004 04 16.78762 2 +0.01088665 +0.00239998 +0.00023938   EH037249
    CK04F040  S2004 04 16.82923 01 49 28.0  +05 27 10                   EH037249
    CK04F040  s2004 04 16.82923 2 +0.01088577 +0.00240243 +0.00024119   EH037249
    CK04F040  S2004 04 16.87095 01 49 09.8  +05 32 57                   EH037249
    CK04F040  s2004 04 16.87095 2 +0.01088488 +0.00240488 +0.00024301   EH037249
    CK04F040  S2004 04 16.91261 01 48 52.0  +05 38 52                   EH037249
    CK04F040  s2004 04 16.91261 2 +0.01088398 +0.00240734 +0.00024483   EH037249
    CK04F040  S2004 04 16.95430 01 48 32.5  +05 45 29                   EH037249
    CK04F040  s2004 04 16.95430 2 +0.01088308 +0.00240980 +0.00024665   EH037249
    CK04F040  S2004 04 16.99595 01 48 12.0  +05 51 50                   EH037249
    CK04F040  s2004 04 16.99595 2 +0.01088217 +0.00241226 +0.00024848   EH037249
    CK04F040  S2004 04 17.03762 01 47 54.3  +05 57 40                   EH037249
    CK04F040  s2004 04 17.03762 2 +0.01088126 +0.00241472 +0.00025030   EH037249
    CK04F040  S2004 04 17.05931 01 47 42.3  +06 02 29                   EH037249
    CK04F040  s2004 04 17.05931 2 +0.01088078 +0.00241600 +0.00025125   EH037249
    CK04F040  S2004 04 17.07934 01 47 32.9  +06 04 42                   EH037249
    CK04F040  s2004 04 17.07934 2 +0.01088034 +0.00241719 +0.00025213   EH037249
    CK04F040  S2004 04 17.12095 01 47 13.9  +06 10 52                   EH037249
    CK04F040  s2004 04 17.12095 2 +0.01087941 +0.00241966 +0.00025396   EH037249
    CK04F040  S2004 04 17.16262 01 46 52.4  +06 17 17                   EH037249
    CK04F040  s2004 04 17.16262 2 +0.01087848 +0.00242213 +0.00025580   EH037249
    CK04F040  S2004 04 17.20428 01 46 34.6  +06 23 45                   EH037249
    CK04F040  s2004 04 17.20428 2 +0.01087754 +0.00242461 +0.00025764   EH037249
    CK04F040  S2004 04 17.55928 01 43 43.3  +07 21 12                   EH037249
    CK04F040  s2004 04 17.55928 2 +0.01086931 +0.00244582 +0.00027341   EH037249
    CK04F040  S2004 04 18.05935 01 39 38.2  +08 46 57                   EH037249
    CK04F040  s2004 04 18.05935 2 +0.01085695 +0.00247604 +0.00029596   EH037249
    CK04F040  S2004 04 18.24596 01 38 06.0  +09 18 07                   EH037249
    CK04F040  s2004 04 18.24596 2 +0.01085212 +0.00248741 +0.00030448   EH037249
    CK04F040  S2004 04 18.32923 01 37 26.3  +09 32 39                   EH037249
    CK04F040  s2004 04 18.32923 2 +0.01084992 +0.00249250 +0.00030829   EH037249
    CK04F040  S2004 04 18.55935 01 35 28.1  +10 13 53                   EH037249
    CK04F040  s2004 04 18.55935 2 +0.01084372 +0.00250662 +0.00031888   EH037249
    CK04F040  S2004 04 18.57932 01 35 17.7  +10 17 26                   EH037249
    CK04F040  s2004 04 18.57932 2 +0.01084317 +0.00250785 +0.00031980   EH037249
    CK04F040  S2004 04 18.70428 01 34 16.8  +10 39 20                   EH037249
    CK04F040  s2004 04 18.70428 2 +0.01083971 +0.00251556 +0.00032559   EH037249
    CK04F040  S2004 04 18.78762 01 33 36.0  +10 54 02                   EH037249
    CK04F040  s2004 04 18.78762 2 +0.01083738 +0.00252070 +0.00032946   EH037249
    CK04F040  S2004 04 18.82925 01 33 15.3  +11 01 30                   EH037249
    CK04F040  s2004 04 18.82925 2 +0.01083621 +0.00252328 +0.00033140   EH037249
    CK04F040  S2004 04 19.91261 01 25 12.8  +14 15 38                   EH037249
    CK04F040  s2004 04 19.91261 2 +0.01080343 +0.00259101 +0.00038261   EH037249
    CK04F040  S2004 04 19.95428 01 24 59.6  +14 22 53                   EH037249
    CK04F040  s2004 04 19.95428 2 +0.01080209 +0.00259364 +0.00038461   EH037249
    CK04F040  S2004 04 20.03762 01 24 25.7  +14 37 13                   EH037249
    CK04F040  s2004 04 20.03762 2 +0.01079939 +0.00259891 +0.00038861   EH037249
    CK04F040  S2004 04 20.07932 01 24 08.8  +14 44 37                   EH037249
    CK04F040  s2004 04 20.07932 2 +0.01079803 +0.00260155 +0.00039062   EH037249
    CK04F040  S2004 04 20.12097 01 23 55.9  +14 51 11                   EH037249
    CK04F040  s2004 04 20.12097 2 +0.01079666 +0.00260419 +0.00039263   EH037249
    CK04F040  S2004 04 20.16262 01 23 37.0  +14 58 57                   EH037249
    CK04F040  s2004 04 20.16262 2 +0.01079529 +0.00260683 +0.00039464   EH037249
    CK04F040  S2004 04 20.20428 01 23 22.2  +15 06 07                   EH037249
    CK04F040  s2004 04 20.20428 2 +0.01079392 +0.00260948 +0.00039665   EH037249
    CK04F040  S2004 04 20.24597 01 23 08.7  +15 13 08                   EH037249
    CK04F040  s2004 04 20.24597 2 +0.01079254 +0.00261213 +0.00039866   EH037249

Observer details:
249 SOHO.  SOHO-LASCO coronagraph C3.  Measurements by K. Battams, reductions
    by B. G. Marsden and R. Kisala.

Orbital elements:
    C/2004 F4 (Bradfield)
T 2004 Apr. 17.129 TT                                   MPC
q   0.16749              (2000.0)            P               Q
                   Peri.  333.298       -0.791988       -0.053238
                   Node   222.992       -0.263131       -0.869159
e   1.0            Incl.   63.118       -0.550924       +0.491658
From observations 2004 Apr. 12-20.

Ephemeris:
    C/2004 F4 (Bradfield)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2004 04 20    01 24.29   +14 20.3    0.837    0.205     7.4   140.9   2.7
2004 04 21    01 18.22   +17 04.3    0.850    0.230    10.5   126.9   3.3
2004 04 22    01 13.28   +19 33.7    0.868    0.257    13.4   115.3   3.8
2004 04 23    01 09.36   +21 48.0    0.890    0.286    15.9   105.7   4.3
2004 04 24    01 06.31   +23 48.4    0.913    0.316    18.1    97.8   4.8
2004 04 25    01 03.97   +25 36.5    0.938    0.345    20.1    91.1   5.2

2004 04 27    01 00.92   +28 42.2    0.990    0.404    23.4    80.7   6.0
2004 04 29    00 59.44   +31 16.5    1.041    0.462    26.0    72.8   6.7
2004 05 01    00 59.02   +33 27.5    1.092    0.519    28.2    66.8   7.3
2004 05 03    00 59.34   +35 20.8    1.142    0.574    30.1    61.9   7.9
2004 05 05    01 00.16   +37 00.6    1.190    0.627    31.8    58.0   8.3
2004 05 07    01 01.33   +38 29.8    1.236    0.679    33.3    54.7   8.8
2004 05 09    01 02.76   +39 50.5    1.281    0.729    34.6    51.9   9.2
2004 05 11    01 04.36   +41 04.3    1.324    0.779    35.9    49.5   9.5
2004 05 13    01 06.07   +42 12.4    1.365    0.827    37.1    47.5   9.9
2004 05 15    01 07.85   +43 15.8    1.405    0.874    38.2    45.7  10.2
2004 05 17    01 09.68   +44 15.2    1.443    0.921    39.3    44.1  10.4
2004 05 19    01 11.51   +45 11.3    1.480    0.966    40.4    42.8  10.7
2004 05 21    01 13.34   +46 04.5    1.515    1.011    41.5    41.5  10.9
2004 05 23    01 15.14   +46 55.1    1.549    1.055    42.5    40.4  11.2
2004 05 25    01 16.89   +47 43.6    1.582    1.098    43.5    39.5  11.4

Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-H37

Read MPEC 2004-H36 Read MPEC 2004-H38


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