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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-H60 : 2004 HC33

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M.P.E.C. 2004-H60                                Issued 2004 Apr. 24, 05:55 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 HC33

Observations:
     K04H33C*tC2004 04 23.15519 12 28 19.48 -00 35 27.0          19     EH060691
     K04H33C tC2004 04 23.18762 12 29 14.02 -00 19 19.8          19     EH060691
     K04H33C tC2004 04 23.21581 12 30 01.19 -00 05 18.6          19     EH060691
     K04H33C tC2004 04 23.30588 12 32 34.84 +00 40 20.4          19.2 V EH060291
     K04H33C tC2004 04 23.31192 12 32 45.20 +00 43 24.4          19.3 V EH060291
     K04H33C tC2004 04 23.37704 12 34 40.40 +01 17 06.8          19.0 V EH060291
     K04H33C tC2004 04 23.38076 12 34 46.80 +01 18 58.3          19.4 V EH060291
     K04H33C  C2004 04 23.88586 12 52 19.00 +05 57 25.9          19.1 R EH060J95
     K04H33C  C2004 04 23.88983 12 52 27.12 +05 59 47.1          18.3 R EH060J95
     K04H33C  C2004 04 23.91803 12 53 25.69 +06 16 22.8          18.0 R EH060J95
     K04H33C  C2004 04 23.92204 12 53 34.05 +06 18 45.5          18.8 R EH060J95
     K04H33C  C2004 04 24.19570 13 04 02.50 +09 06 46.7          18.0 R EH060651
     K04H33C  C2004 04 24.19671 13 04 04.65 +09 07 23.6          17.8 R EH060651
     K04H33C  C2004 04 24.19737 13 04 06.16 +09 07 48.8          18.0 R EH060651
     K04H33C  C2004 04 24.19812 13 04 07.84 +09 08 17.2          18.2 R EH060651

Observer details:
291 LPL/Spacewatch II.  Observer A. S. Descour.  1.8-m f/2.7 reflector + CCD.
651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
    Newtonian + CCD.
691 Steward Observatory, Kitt Peak.  Observers J. V. Scotti, R. G. Gagliano.
    0.9-m f/3 reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2004 HC33
Epoch 2004 July 14.0 TT = JDT 2453200.5                 MPC
M  27.04478              (2000.0)            P               Q
n   0.41846833     Peri.   20.13183     -0.61139105     +0.78431310
a   1.7702217      Node   212.43687     -0.75022262     -0.61675786
e   0.4310011      Incl.   11.30415     -0.25172804     -0.06680349
P   2.36           H   25.8           G   0.15           U   8
Residuals in seconds of arc
040423 691  1.0-  2.8-    040423 291  0.4+  1.3+    040423 J95  0.5-  0.2-
040423 691  2.0+  2.0+    040423 291 (4.3-  3.6-)   040424 651  0.6+  0.4+
040423 691  0.9-  0.4-    040423 J95  0.6+  0.3-    040424 651  0.6-  0.6-
040423 291  0.9+  1.1+    040423 J95  0.9-  0.9+    040424 651  0.2+  0.1-
040423 291  0.9-  0.7-    040423 J95  0.7-  0.7-    040424 651  0.6+  0.2+

Ephemeris:
2004 HC33                a,e,i = 1.77, 0.43, 11                  q = 1.0073
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 04 25    13 38.62   +17 53.8    0.019    1.022   147.9    31.6    18.5
2004 04 26    14 30.78   +28 48.3    0.019    1.020   137.5    41.8    18.8
2004 04 27    15 29.66   +37 37.5    0.020    1.018   125.9    53.2    19.3
2004 04 28    16 28.28   +43 13.6    0.022    1.017   115.8    63.1    19.8
2004 04 29    17 19.87   +46 04.2    0.026    1.015   107.9    70.7    20.4
2004 04 30    18 01.54   +47 10.3    0.030    1.014   102.1    76.3    20.8
2004 05 01    18 33.91   +47 21.3    0.034    1.013    97.8    80.3    21.3
2004 05 02    18 58.86   +47 06.1    0.038    1.012    94.6    83.3    21.7
2004 05 03    19 18.25   +46 39.8    0.043    1.011    92.2    85.4    22.0
2004 05 04    19 33.57   +46 09.9    0.048    1.010    90.4    86.9    22.3
2004 05 05    19 45.89   +45 39.7    0.052    1.009    89.0    88.0    22.5

Kyle E. Smalley              (C) Copyright 2004 MPC           M.P.E.C. 2004-H60

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