MPEC 2004-H19 : 2004 HD

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M.P.E.C. 2004-H19                                Issued 2004 Apr. 17, 13:04 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 HD

Observations:
     K04H00D* C2004 04 16.19945 10 56 28.13 -06 02 21.1          19.7   EH019704
     K04H00D  C2004 04 16.21039 10 56 39.68 -06 03 01.0          19.8   EH019704
     K04H00D  C2004 04 16.22132 10 56 51.18 -06 03 40.8          19.7   EH019704
     K04H00D  C2004 04 16.23240 10 57 03.01 -06 04 21.3          19.9   EH019704
     K04H00D  C2004 04 16.82856 11 08 41.73 -06 42 00.3          18.3 V EH019A50
     K04H00D  C2004 04 16.82934 11 08 42.58 -06 42 03.6          18.4 V EH019A50
     K04H00D  C2004 04 16.83012 11 08 43.46 -06 42 06.6          18.9 V EH019A50
     K04H00D  C2004 04 16.83088 11 08 44.34 -06 42 09.7          18.1 V EH019A50
     K04H00D  C2004 04 16.83127 11 08 44.73 -06 42 11.2          18.2 V EH019A50
     K04H00D  C2004 04 16.83166 11 08 45.18 -06 42 12.5          18.1 V EH019A50
     K04H00D  C2004 04 16.90719 11 10 13.43 -06 46 51.2                 EH019246
     K04H00D  C2004 04 16.90766 11 10 13.92 -06 46 52.9                 EH019246
     K04H00D  C2004 04 16.91191 11 10 18.93 -06 47 06.9                 EH019246
     K04H00D  C2004 04 16.91458 11 10 21.97 -06 47 19.3                 EH019246
     K04H00D 1C2004 04 17.01531 11 12 33.69 -06 48 52.9          19.5 R EH019I05
     K04H00D 1C2004 04 17.01630 11 12 34.64 -06 48 57.0          18.7 R EH019I05
     K04H00D  C2004 04 17.21019 11 16 24.61 -07 05 03.7          19.3 R EH019926
     K04H00D  C2004 04 17.21059 11 16 25.09 -07 05 04.4          18.9 R EH019926
     K04H00D  C2004 04 17.21103 11 16 25.63 -07 05 05.0          18.3 R EH019926
     K04H00D  C2004 04 17.24860 11 17 05.65 -07 07 46.9          18.9 R EH019649
     K04H00D  C2004 04 17.24960 11 17 06.79 -07 07 50.1          18.8 R EH019649
     K04H00D  C2004 04 17.25164 11 17 09.17 -07 07 58.3          19.0 R EH019649

Observer details:
246 Klet Observatory-KLENOT.  Observer M. Kocer.  1.06-m KLENOT Telescope
    + CCD.
649 Powell Observatory, Louisburg.  Observer R. Fredrick.  0.75-m Newtonian
    + 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.
926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  0.81-m
    f/7 Ritchey-Chretien + CCD.
A50 Andrushivka Astronomical Observatory.  Observers Y. Ivashchenko,
    O. Gerashchenko, V. Lokot, Y. Kruglyj.  0.6-m reflector + CCD.
I05 Las Campanas Observatory-TIE.  Observers G. Masi, F. Mallia.  0.36-m SoTIE
    reflector + CCD.

Orbital elements:
2004 HD
Epoch 2004 Apr. 5.0 TT = JDT 2453100.5                  MPC
M 358.16489              (2000.0)            P               Q
n   0.36855304     Peri.  343.03808     -0.95040560     +0.30997746
a   1.9266495      Node   215.05209     -0.27997980     -0.88823011
e   0.4649833      Incl.    2.53087     -0.13542712     -0.33905936
P   2.67           H   24.5           G   0.15
From 20 observations 2004 Apr. 16-17.

Ephemeris:
2004 HD                  a,e,i = 1.93, 0.46, 3                   q = 1.0308
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 04 15    10 34.91   -04 48.6    0.040    1.032   135.4    43.0    19.3
2004 04 25    14 08.91   -13 01.4    0.039    1.045   179.4     0.6    17.7
2004 05 05    16 11.82   -13 08.8    0.065    1.070   159.8    19.0    19.7
2004 05 15    16 53.85   -12 28.6    0.101    1.105   158.5    19.6    20.7
2004 05 25    17 09.04   -12 23.6    0.142    1.150   163.1    14.8    21.4
2004 06 04    17 14.56   -12 46.2    0.190    1.201   168.6     9.6    21.9
2004 06 14    17 16.70   -13 25.8    0.245    1.258   169.6     8.4    22.5

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-H19

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