MPEC 2004-H71 : 2004 HT38

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M.P.E.C. 2004-H71                                Issued 2004 Apr. 25, 16:55 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 HT38

Observations:
     K04H38T* C2004 04 24.25085 13 47 44.68 +07 49 57.6          19.3   EH071704
     K04H38T  C2004 04 24.26136 13 47 44.36 +07 48 12.5          19.7   EH071704
     K04H38T  C2004 04 24.27185 13 47 44.06 +07 46 27.1          19.7   EH071704
     K04H38T  C2004 04 24.28245 13 47 43.80 +07 44 40.4          20.0   EH071704
     K04H38T  C2004 04 24.29291 13 47 43.47 +07 42 54.0          20.2   EH071704
     K04H38T  C2004 04 24.98483 13 47 44.84 +05 46 47.9          19.3 R EH071176
     K04H38T  C2004 04 24.98619 13 47 44.78 +05 46 34.4          19.1 R EH071176
     K04H38T  C2004 04 24.98756 13 47 44.71 +05 46 20.9          19.1 R EH071176
     K04H38T  C2004 04 24.98894 13 47 44.65 +05 46 07.2          19.2 R EH071176
     K04H38T  C2004 04 25.03504 13 47 44.18 +05 38 10.3          19.3 R EH071J95
     K04H38T  C2004 04 25.03836 13 47 44.09 +05 37 36.8          19.2 R EH071J95
     K04H38T  C2004 04 25.04154 13 47 44.03 +05 37 05.7          19.4 R EH071J95
     K04H38T  C2004 04 25.27189 13 47 46.41 +04 58 59.7          19.8 R EH071854
     K04H38T  C2004 04 25.27391 13 47 46.38 +04 58 40.3          19.7 R EH071854
     K04H38T  C2004 04 25.27592 13 47 46.48 +04 58 19.5          19.6 R EH071854
     K04H38T  C2004 04 25.27995 13 47 46.23 +04 57 39.0          19.6 R EH071854
     K04H38T  C2004 04 25.28707 13 47 45.96 +04 56 28.4          19.7 R EH071854
     K04H38T  C2004 04 25.32682 13 47 44.49 +04 49 49.2          19.2 R EH071448
     K04H38T  C2004 04 25.33025 13 47 44.43 +04 49 15.4          18.7 R EH071448
     K04H38T  C2004 04 25.33506 13 47 44.26 +04 48 27.2          18.9 R EH071448
     K04H38T  C2004 04 25.35787 13 47 49.52 +04 46 21.0          19.3 R EH071474
     K04H38T  C2004 04 25.35995 13 47 49.47 +04 46 01.0          19.3 R EH071474
     K04H38T  C2004 04 25.36169 13 47 49.45 +04 45 42.9          19.6 R EH071474

Observer details:
176 Observatori Astronomic de Consell.  Observers A. Lopez, R. Pacheco,
    J. Forteza.  0.41-m f/4 reflector + CCD.
448 Desert Moon Observatory.  Observer B. L. Stevens.  0.3-m
    Schmidt-Cassegrain + CCD.
474 Mount John Observatory, Lake Tekapo.  Observer A. C. Gilmore.  Measurer
    P. M. Kilmartin.  0.6-m f/6.4 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
    H. Stange, A. Milner.  Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
    1.0-m f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.356-m f/10.0
    Schmidt-Cassegrain + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2004 HT38
Epoch 2004 Apr. 25.0 TT = JDT 2453120.5                 MPC
M   9.32320              (2000.0)            P               Q
n   0.43338454     Peri.  151.82468     -0.97031438     +0.19283795
a   1.7293668      Node    40.15646     -0.24156147     -0.80209275
e   0.3754284      Incl.   13.08131     +0.01175012     -0.56520858
P   2.27           H   23.6           G   0.15
From 22 observations 2004 Apr. 24-25.

Ephemeris:
2004 HT38                a,e,i = 1.73, 0.38, 13                  q = 1.0801
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 04 25    13 47.75   +05 45.2    0.101    1.102   160.2    18.1    19.8
2004 04 30    13 48.21   -07 36.8    0.108    1.113   167.5    11.3    19.7
2004 05 05    13 49.33   -18 55.9    0.120    1.126   165.5    13.0    20.0
2004 05 10    13 51.24   -27 41.4    0.138    1.140   159.5    18.0    20.5
2004 05 15    13 54.04   -34 08.9    0.160    1.157   154.1    22.5    21.0
2004 05 20    13 57.86   -38 48.6    0.184    1.175   149.7    25.8    21.5
2004 05 25    14 02.77   -42 08.6    0.211    1.194   146.2    28.1    21.9

Kyle E. Smalley              (C) Copyright 2004 MPC           M.P.E.C. 2004-H71

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