MPEC 2004-F98 : 2004 FY31

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M.P.E.C. 2004-F98                                Issued 2004 Mar. 31, 21:29 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

                                   2004 FY31

Observations:
     K04F31Y* C2004 03 31.30169 13 37 48.46 +62 16 11.4          18.2 R EF098699
     K04F31Y  C2004 03 31.31796 13 38 01.40 +62 17 26.1                 EF098699
     K04F31Y  C2004 03 31.33416 13 38 14.02 +62 18 40.2                 EF098699
     K04F31Y  C2004 03 31.35152 13 38 27.65 +62 19 58.5                 EF098699
     K04F31Y 5C2004 03 31.39352 13 39 02.34 +62 23 05.8          18.0 R EF098673
     K04F31Y 5C2004 03 31.39514 13 39 03.61 +62 23 13.1                 EF098673
     K04F31Y 5C2004 03 31.39711 13 39 05.38 +62 23 21.8                 EF098673
     K04F31Y 5C2004 03 31.39907 13 39 06.83 +62 23 30.3                 EF098673
     K04F31Y 5C2004 03 31.40266 13 39 09.62 +62 23 45.7                 EF098673
     K04F31Y 5C2004 03 31.40648 13 39 12.72 +62 24 02.7                 EF098673
     K04F31Y  C2004 03 31.45197 13 39 47.87 +62 27 16.6          19.2   EF098854
     K04F31Y  C2004 03 31.45400 13 39 47.56 +62 26 58.8          18.4 R EF098649
     K04F31Y  C2004 03 31.45578 13 39 49.02 +62 27 06.2          18.3 R EF098649
     K04F31Y  C2004 03 31.45755 13 39 50.51 +62 27 13.4          18.6 R EF098649
     K04F31Y  C2004 03 31.45861 13 39 53.15 +62 27 43.3          19.0   EF098854
     K04F31Y  C2004 03 31.46524 13 39 58.92 +62 28 11.7          18.9   EF098854
     K04F31Y  C2004 03 31.82731 13 46 00.47 +62 54 45.9          18.1 R EF098176
     K04F31Y  C2004 03 31.82874 13 46 01.86 +62 54 53.0          18.0 R EF098176
     K04F31Y  C2004 03 31.83170 13 46 04.73 +62 55 07.7          18.5 R EF098176
     K04F31Y  C2004 03 31.83273 13 46 05.73 +62 55 12.8          18.1 R EF098176

Observer details:
176 Observatori Astronomic de Consell.  Observers A. Lopez, R. Pacheco,
    J. Forteza.  0.41-m f/4 reflector + CCD.
649 Powell Observatory, Louisburg.  Observer R. Trentman.  0.75-m Newtonian
    + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
    reflector + CCD.
699 Lowell Observatory-LONEOS.  Observer B. A. Skiff.  0.59-m LONEOS Schmidt
    + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.356-m f/10.0
    Schmidt-Cassegrain + CCD.

Orbital elements:
2004 FY31                                                            PHA 0.026D
Epoch 2004 Mar. 16.0 TT = JDT 2453080.5                 MPC
M 346.95882              (2000.0)            P               Q
n   0.29429447     Peri.  197.14242     -0.70004848     +0.70756098
a   2.2384530      Node    28.65764     -0.62934845     -0.54754703
e   0.5720882      Incl.   11.59397     -0.33742060     -0.44670987
P   3.35           H   21.8           G   0.15
From 20 observations 2004 Mar. 31-31.

Ephemeris:
2004 FY31                a,e,i = 2.24, 0.57, 12                  q = 0.9579
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 03 26    12 51.86   +56 55.8    0.110    1.058   120.5    54.3    19.1
2004 03 27    12 57.44   +57 46.0    0.104    1.053   119.2    55.8    19.0
2004 03 28    13 04.04   +58 40.4    0.098    1.047   117.9    57.4    18.9
2004 03 29    13 11.95   +59 39.4    0.091    1.042   116.4    59.1    18.8
2004 03 30    13 21.60   +60 43.6    0.085    1.037   114.8    60.9    18.7
2004 03 31    13 33.55   +61 53.2    0.079    1.032   113.1    62.9    18.6
2004 04 01    13 48.66   +63 08.3    0.073    1.028   111.1    65.1    18.5
2004 04 02    14 08.16   +64 27.4    0.067    1.023   108.9    67.5    18.3
2004 04 03    14 33.85   +65 47.2    0.061    1.019   106.4    70.3    18.2
2004 04 04    15 08.16   +66 59.0    0.055    1.014   103.4    73.6    18.1
2004 04 05    15 53.77   +67 45.0    0.049    1.010    99.9    77.3    18.0
2004 04 06    16 51.71   +67 32.4    0.044    1.006    95.6    81.8    17.9
2004 04 07    17 57.89   +65 34.8    0.040    1.002    90.5    87.2    17.9
2004 04 08    19 02.62   +61 08.1    0.036    0.998    84.3    93.6    17.9
2004 04 09    19 57.35   +53 55.3    0.033    0.995    77.2   101.0    18.1
2004 04 10    20 39.71   +44 18.9    0.031    0.991    69.4   108.9    18.4
2004 04 11    21 11.52   +33 18.9    0.031    0.988    62.0   116.4    18.8
2004 04 12    21 35.47   +22 15.4    0.032    0.985    56.1   122.4    19.3
2004 04 13    21 53.83   +12 14.4    0.035    0.982    52.3   126.1    19.8
2004 04 14    22 08.22   +03 47.3    0.038    0.979    50.4   127.9    20.2
2004 04 15    22 19.75   -03 04.5    0.043    0.976    50.0   128.1    20.4
2004 04 16    22 29.18   -08 34.2    0.048    0.974    50.5   127.4    20.6
2004 04 17    22 37.04   -12 58.0    0.053    0.972    51.4   126.2    20.7
2004 04 18    22 43.70   -16 30.6    0.059    0.970    52.5   124.7    20.8
2004 04 19    22 49.42   -19 23.7    0.065    0.968    53.7   123.2    20.9
2004 04 20    22 54.40   -21 46.2    0.071    0.966    54.9   121.6    20.9
2004 04 21    22 58.80   -23 44.7    0.077    0.964    56.1   120.1    21.0
2004 04 22    23 02.71   -25 24.3    0.083    0.963    57.2   118.6    21.1
2004 04 23    23 06.24   -26 48.7    0.090    0.962    58.3   117.1    21.1
2004 04 24    23 09.43   -28 00.9    0.096    0.960    59.4   115.7    21.2
2004 04 25    23 12.36   -29 03.0    0.103    0.960    60.4   114.3    21.2
2004 04 26    23 15.06   -29 56.7    0.109    0.959    61.4   112.9    21.2
2004 04 27    23 17.56   -30 43.5    0.116    0.958    62.3   111.6    21.3
2004 04 28    23 19.90   -31 24.4    0.122    0.958    63.2   110.3    21.3
2004 04 29    23 22.09   -32 00.3    0.129    0.958    64.1   109.0    21.4
2004 04 30    23 24.17   -32 31.9    0.135    0.958    64.9   107.7    21.4
2004 05 01    23 26.13   -32 59.8    0.142    0.958    65.7   106.5    21.4
2004 05 02    23 28.01   -33 24.5    0.148    0.959    66.5   105.3    21.5
2004 05 03    23 29.80   -33 46.4    0.155    0.959    67.3   104.1    21.5
2004 05 04    23 31.52   -34 05.8    0.161    0.960    68.1   103.0    21.5
2004 05 05    23 33.17   -34 23.1    0.168    0.961    68.8   101.8    21.6
2004 05 06    23 34.77   -34 38.4    0.174    0.962    69.6   100.7    21.6
2004 05 07    23 36.31   -34 52.1    0.181    0.963    70.3    99.6    21.6
2004 05 08    23 37.81   -35 04.3    0.187    0.965    71.0    98.5    21.6
2004 05 09    23 39.26   -35 15.2    0.193    0.966    71.7    97.4    21.7
2004 05 10    23 40.68   -35 24.9    0.199    0.968    72.4    96.3    21.7
2004 05 11    23 42.05   -35 33.6    0.206    0.970    73.1    95.2    21.7
2004 05 12    23 43.39   -35 41.3    0.212    0.973    73.8    94.2    21.7
2004 05 13    23 44.69   -35 48.3    0.218    0.975    74.4    93.1    21.7
2004 05 14    23 45.95   -35 54.5    0.224    0.977    75.1    92.1    21.8
2004 05 15    23 47.18   -36 00.2    0.230    0.980    75.8    91.1    21.8

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-F98

Read MPEC 2004-F97 Read MPEC 2004-G01


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