MPEC 2004-H74 : 2004 HB39

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M.P.E.C. 2004-H74                                Issued 2004 Apr. 26, 11:23 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 HB39

Observations:
     K04H39B* C2004 04 25.38447 15 59 22.17 +24 34 16.6          18.6 R EH074703
     K04H39B  C2004 04 25.39365 15 59 27.28 +24 34 45.6          19.1 R EH074703
     K04H39B  C2004 04 25.40279 15 59 32.31 +24 35 14.0          20.1 R EH074703
     K04H39B  C2004 04 25.41191 15 59 37.37 +24 35 42.4          18.4 R EH074703
     K04H39B  C2004 04 25.48205 16 00 16.05 +24 39 17.8          19.0 R EH074703
     K04H39B  C2004 04 25.48434 16 00 17.12 +24 39 23.4          18.7 R EH074703
     K04H39B  C2004 04 25.48662 16 00 18.54 +24 39 29.8          18.5 R EH074703
     K04H39B  C2004 04 25.48892 16 00 19.72 +24 39 36.8          18.4 R EH074703
     K04H39B  C2004 04 25.92342 16 04 40.96 +25 01 36.7          19.3 V EH074611
     K04H39B  C2004 04 25.93076 16 04 45.19 +25 01 59.3          19.4 V EH074611
     K04H39B  C2004 04 25.93239 16 04 46.25 +25 02 05.2          19.5 V EH074611
     K04H39B 5C2004 04 26.24236 16 07 51.39 +25 17 59.1          19.5 R EH074673
     K04H39B 5C2004 04 26.24502 16 07 52.80 +25 18 06.8                 EH074673
     K04H39B 5C2004 04 26.24630 16 07 53.68 +25 18 11.5                 EH074673
     K04H39B 5C2004 04 26.24839 16 07 54.72 +25 18 17.3                 EH074673
     K04H39B 5C2004 04 26.25035 16 07 55.94 +25 18 24.3                 EH074673

Observer details:
611 Starkenburg.  Observer F. Hormuth.  0.45-m f/4.4 reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
    reflector + CCD.
703 Catalina Sky Survey.  Observers S. Larson, E. Beshore, E. Christensen,
    R. Hill, S. Howard, D. McLean.  0.68-m f/1.8 Schmidt + CCD.

Orbital elements:
2004 HB39
Epoch 2004 Apr. 25.0 TT = JDT 2453120.5                 MPC
M 351.92545              (2000.0)            P               Q
n   0.36888133     Peri.   66.61317     -0.50092710     +0.86541979
a   1.9255063      Node   173.29402     -0.82444942     -0.47327430
e   0.4543746      Incl.    5.39673     -0.26335373     -0.16449932
P   2.67           H   22.5           G   0.15
From 16 observations 2004 Apr. 25-26.

Ephemeris:
2004 HB39                a,e,i = 1.93, 0.45, 5                   q = 1.0506
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 04 25    15 55.66   +24 14.1    0.100    1.079   134.7    41.5    19.3
2004 05 05    17 38.61   +30 18.5    0.100    1.059   118.1    57.1    19.7
2004 05 15    19 08.52   +30 18.1    0.113    1.051   107.7    66.4    20.2
2004 05 25    20 07.67   +27 16.1    0.133    1.055   104.7    68.3    20.6
2004 06 04    20 43.30   +23 33.6    0.156    1.070   106.8    65.1    20.9
2004 06 14    21 03.76   +19 48.4    0.179    1.097   112.5    58.8    21.1
2004 06 24    21 13.60   +15 53.2    0.202    1.133   120.7    50.4    21.2
2004 07 04    21 15.82   +11 37.8    0.226    1.178   131.0    40.7    21.2
2004 07 14    21 12.65   +07 02.3    0.254    1.228   142.5    30.2    21.3
2004 07 24    21 06.42   +02 17.8    0.290    1.284   154.4    20.0    21.4
2004 08 03    20 59.78   -02 12.2    0.337    1.343   164.6    11.5    21.5
2004 08 13    20 54.66   -06 06.0    0.398    1.404   167.5     9.0    21.8

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-H74

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