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    • MPEC 2004-H40 : 2004 HC2

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    M.P.E.C. 2004-H40                                Issued 2004 Apr. 21, 11:55 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 HC2

Observations:
     K04H02C* C2004 04 19.14164 08 22 11.05 +23 21 31.9          19.8   EH040704
     K04H02C  C2004 04 19.15288 08 22 15.48 +23 22 56.9          20.5   EH040704
     K04H02C  C2004 04 19.16529 08 22 20.56 +23 24 31.2          20.3   EH040704
     K04H02C  C2004 04 19.17652 08 22 24.98 +23 25 55.1          20.2   EH040704
     K04H02C  C2004 04 19.18763 08 22 29.45 +23 27 19.1          20.3   EH040704
     K04H02C  C2004 04 20.13219 08 28 51.09 +25 22 15.8          19.8   EH040704
     K04H02C  C2004 04 20.13244 08 28 51.19 +25 22 18.3          19.5   EH040704
     K04H02C  C2004 04 20.13261 08 28 51.21 +25 22 19.3          19.8   EH040704
     K04H02C  C2004 04 20.14336 08 28 55.53 +25 23 35.7          20.3   EH040704
     K04H02C  C2004 04 20.14353 08 28 55.49 +25 23 37.0          20.2   EH040704
     K04H02C  C2004 04 20.14359 08 28 55.55 +25 23 37.3          19.9   EH040704
     K04H02C  C2004 04 20.15417 08 28 59.75 +25 24 51.3          20.2   EH040704
     K04H02C  C2004 04 20.15434 08 28 59.77 +25 24 53.2          20.0   EH040704
     K04H02C  C2004 04 20.15495 08 28 59.98 +25 24 55.7          19.8   EH040704
     K04H02C  C2004 04 20.16549 08 29 04.11 +25 26 10.4          20.1   EH040704
     K04H02C  C2004 04 20.16567 08 29 04.14 +25 26 10.9          20.2   EH040704
     K04H02C  C2004 04 20.16622 08 29 04.37 +25 26 15.2          19.9   EH040704
     K04H02C  C2004 04 20.17688 08 29 08.66 +25 27 29.5          20.6   EH040704
     K04H02C  C2004 04 20.17706 08 29 08.67 +25 27 31.0          20.8   EH040704
     K04H02C  C2004 04 20.17746 08 29 08.87 +25 27 35.0          20.0   EH040704
     K04H02C  C2004 04 20.88008 08 33 47.09 +26 47 52.7                 EH040587
     K04H02C WC2004 04 20.88329 08 33 48.35 +26 48 15.5                 EH040587
     K04H02C  C2004 04 20.88448 08 33 48.82 +26 48 24.3          19.5 R EH040176
     K04H02C  C2004 04 20.88517 08 33 49.08 +26 48 29.0          19.4 R EH040176
     K04H02C  C2004 04 20.88586 08 33 49.35 +26 48 33.7          19.8 R EH040176
     K04H02C  C2004 04 20.88649 08 33 49.53 +26 48 34.4                 EH040587
     K04H02C  C2004 04 20.88654 08 33 49.62 +26 48 38.3          19.7 R EH040176
     K04H02C  C2004 04 21.21104 08 35 56.51 +27 24 27.3          19.5 R EH040854
     K04H02C  C2004 04 21.21771 08 35 59.07 +27 25 09.1          19.4 R EH040854
     K04H02C 5C2004 04 21.21968 08 36 00.04 +27 25 22.3          19.5 R EH040673
     K04H02C 5C2004 04 21.22269 08 36 01.17 +27 25 41.9                 EH040673
     K04H02C 5C2004 04 21.22373 08 36 01.54 +27 25 49.1                 EH040673
     K04H02C  C2004 04 21.22512 08 36 01.92 +27 25 57.8          19.4 R EH040854
     K04H02C 5C2004 04 21.22639 08 36 02.59 +27 26 06.1                 EH040673
     K04H02C 5C2004 04 21.22801 08 36 03.24 +27 26 17.4                 EH040673
     K04H02C 5C2004 04 21.23125 08 36 04.45 +27 26 38.0                 EH040673

Observer details:
176 Observatori Astronomic de Consell.  Observers A. Lopez, R. Pacheco,
    J. Forteza.  0.41-m f/4 reflector + CCD.
587 Sormano.  Observers F. Manca, A. Testa.  0.5-m reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
    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.

Orbital elements:
2004 HC2
Epoch 2004 Apr. 5.0 TT = JDT 2453100.5                  MPC
M  27.68788              (2000.0)            P               Q
n   0.65513307     Peri.  298.80428     -0.57057914     -0.80709306
a   1.3129546      Node   190.84252     +0.66449516     -0.56233096
e   0.2798628      Incl.   53.79622     -0.48258225     +0.17995743
P   1.50           H   19.6           G   0.15
From 36 observations 2004 Apr. 19-21.

Ephemeris:
2004 HC2                 a,e,i = 1.31, 0.28, 54                  q = 0.9455
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 04 15    07 52.84   +13 24.8    0.293    1.056    92.3    71.6    19.6
2004 04 25    08 59.57   +33 23.5    0.391    1.095    92.6    66.6    20.1
2004 05 05    09 52.63   +42 50.0    0.524    1.137    90.1    62.5    20.7
2004 05 15    10 34.86   +47 07.4    0.665    1.180    87.0    58.8    21.2
2004 05 25    11 09.75   +48 56.0    0.804    1.224    83.8    55.4    21.6
2004 06 04    11 39.88   +49 25.0    0.937    1.268    80.9    52.2    21.9

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-H40

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