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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-F93 : 2004 FE31

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M.P.E.C. 2004-F93                                Issued 2004 Mar. 31, 06:34 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 FE31

Observations:
     K04F31E* C2004 03 29.32407 12 39 01.53 -08 50 15.0          20.7 V EF093691
     K04F31E  C2004 03 29.35187 12 38 59.11 -08 49 51.0          20.3 V EF093691
     K04F31E  C2004 03 29.38105 12 38 56.61 -08 49 25.2          20.5 V EF093691
     K04F31E FC2004 03 30.18764 12 37 49.60 -08 37 39.4          19.8 R EF093926
     K04F31E FC2004 03 30.19566 12 37 48.72 -08 37 31.9          20.0 R EF093926
     K04F31E FC2004 03 30.19994 12 37 48.35 -08 37 28.4          19.6 R EF093926
     K04F31E  C2004 03 30.26642 12 37 42.68 -08 36 30.7          20.7 V EF093291
     K04F31E  C2004 03 30.27021 12 37 42.37 -08 36 27.0          20.7 V EF093291
     K04F31E  C2004 03 30.27402 12 37 42.03 -08 36 23.4          20.6 V EF093291
     K04F31E  C2004 03 30.36404 12 37 34.14 -08 35 04.9          20.7 R EF093649
     K04F31E  C2004 03 30.36818 12 37 33.74 -08 35 00.7          20.5 R EF093649
     K04F31E  C2004 03 30.37233 12 37 33.38 -08 34 57.3          20.5 R EF093649
     K04F31E  C2004 03 31.24326 12 36 20.39 -08 22 06.7          20.2 R EF093649
     K04F31E  C2004 03 31.24622 12 36 20.11 -08 22 03.4          20.5 R EF093649
     K04F31E  C2004 03 31.24919 12 36 19.85 -08 22 01.5          20.2 R EF093649

Observer details:
291 LPL/Spacewatch II.  Observer J. A. Larsen.  1.8-m f/2.7 reflector + CCD.
649 Powell Observatory, Louisburg.  Observers R. Trentman, R. Fredrick.
    0.75-m Newtonian + CCD.
691 Steward Observatory, Kitt Peak.  Observer J. V. Scotti.  0.9-m f/3
    reflector + CCD.
926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  0.81-m
    f/7 Ritchey-Chretien + CCD.

Orbital elements:
2004 FE31
Epoch 2004 Mar. 16.0 TT = JDT 2453080.5                 MPC
M 219.49389              (2000.0)            P               Q
n   0.50050431     Peri.  148.04653     +0.97864929     +0.19057619
a   1.5710771      Node   201.37400     -0.20271322     +0.95681968
e   0.4283100      Incl.   12.19422     +0.03395450     +0.21949220
P   1.97           H   18.4           G   0.15
From 15 observations 2004 Mar. 29-31.

Ephemeris:
2004 FE31                a,e,i = 1.57, 0.43, 12                  q = 0.8982
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 03 26    12 43.60   -09 37.3    1.154    2.144   170.7     4.3    20.8
2004 04 05    12 29.64   -07 10.1    1.124    2.120   173.1     3.2    20.6
2004 04 15    12 16.08   -04 35.8    1.122    2.094   160.0     9.4    20.9
2004 04 25    12 04.60   -02 11.3    1.148    2.065   146.8    15.5    21.1
2004 05 05    11 56.39   -00 10.1    1.195    2.033   134.5    20.7    21.4
2004 05 15    11 51.94   +01 21.4    1.257    1.998   123.2    25.1    21.6
2004 05 25    11 51.27   +02 21.6    1.330    1.961   113.0    28.4    21.7
2004 06 04    11 54.08   +02 52.6    1.408    1.922   103.8    30.8    21.9
2004 06 14    11 59.93   +02 58.1    1.486    1.879    95.6    32.5    22.0

Kyle E. Smalley              (C) Copyright 2004 MPC           M.P.E.C. 2004-F93

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