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    • MPEC 2004-H47 : 2004 HG12

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    M.P.E.C. 2004-H47                                Issued 2004 Apr. 22, 11:48 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 HG12

Observations:
     K04H12G* C2004 04 21.20055 09 36 02.73 +07 56 08.5          19.0   EH047704
     K04H12G  C2004 04 21.21135 09 36 02.30 +08 00 10.2          19.1   EH047704
     K04H12G  C2004 04 21.22211 09 36 01.93 +08 04 09.5          18.9   EH047704
     K04H12G  C2004 04 21.23279 09 36 01.59 +08 08 09.4          19.0   EH047704
     K04H12G  C2004 04 21.88795 09 36 01.07 +12 15 33.5          19.6 R EH047J95
     K04H12G  C2004 04 21.89272 09 36 00.96 +12 17 23.4          19.3 R EH047J95
     K04H12G  C2004 04 21.89922 09 36 00.78 +12 19 53.9          19.3 R EH047J95
     K04H12G  C2004 04 21.90407 09 36 00.61 +12 21 44.1          19.2 R EH047J95
     K04H12G  C2004 04 22.16612 09 36 00.73 +14 02 59.8          19.6 R EH047854
     K04H12G  C2004 04 22.17023 09 36 00.56 +14 04 37.2          19.9 R EH047854
     K04H12G  C2004 04 22.17433 09 36 00.43 +14 06 09.9          19.6 R EH047854

Observer details:
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 HG12
Epoch 2004 Apr. 5.0 TT = JDT 2453100.5                  MPC
M 329.69861              (2000.0)            P               Q
n   0.53118328     Peri.   47.04236     -0.29540070     +0.93061087
a   1.5099867      Node   208.06946     -0.95419962     -0.29860024
e   0.3738189      Incl.   27.34007     -0.04734468     +0.21166317
P   1.86           H   22.9           G   0.15
From 11 observations 2004 Apr. 21-22.

Ephemeris:
2004 HG12                a,e,i = 1.51, 0.37, 27                  q = 0.9455
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 04 15    09 37.92   -22 26.6    0.111    1.067   122.3    52.7    20.2
2004 04 16    09 37.46   -18 43.1    0.105    1.062   121.5    53.7    20.1
2004 04 17    09 37.06   -14 33.4    0.099    1.058   120.4    54.9    20.0
2004 04 18    09 36.72   -09 55.8    0.094    1.053   119.1    56.4    19.9
2004 04 19    09 36.45   -04 49.7    0.090    1.049   117.3    58.3    19.9
2004 04 20    09 36.25   +00 44.1    0.086    1.045   115.2    60.5    19.8
2004 04 21    09 36.12   +06 42.3    0.084    1.040   112.7    63.0    19.8
2004 04 22    09 36.05   +12 59.4    0.082    1.036   109.9    65.8    19.9
2004 04 23    09 36.04   +19 27.3    0.081    1.032   106.8    68.9    19.9
2004 04 24    09 36.10   +25 56.6    0.082    1.028   103.5    72.1    20.0
2004 04 25    09 36.23   +32 17.8    0.083    1.024   100.2    75.3    20.2
2004 04 26    09 36.41   +38 22.4    0.085    1.020    96.9    78.3    20.3
2004 04 27    09 36.66   +44 04.2    0.089    1.016    93.8    81.2    20.5
2004 04 28    09 36.96   +49 19.4    0.092    1.013    90.9    83.8    20.7
2004 04 29    09 37.32   +54 06.5    0.097    1.009    88.3    86.2    20.9
2004 04 30    09 37.73   +58 25.8    0.102    1.005    86.0    88.2    21.1
2004 05 01    09 38.19   +62 18.8    0.108    1.002    83.9    90.0    21.2
2004 05 02    09 38.68   +65 47.7    0.114    0.998    82.0    91.4    21.4
2004 05 03    09 39.21   +68 54.9    0.121    0.995    80.4    92.7    21.6
2004 05 04    09 39.8    +71 42.6    0.127    0.992    79.0    93.7    21.7
2004 05 05    09 40.3    +74 13.3    0.135    0.989    77.8    94.6    21.9
2004 05 06    09 40.9    +76 29.0    0.142    0.986    76.7    95.3    22.0
2004 05 07    09 41.4    +78 31.6    0.149    0.983    75.7    95.9    22.2
2004 05 08    09 41.8    +80 22.6    0.157    0.980    74.8    96.3    22.3
2004 05 09    09 42.1    +82 03.5    0.164    0.977    74.1    96.6    22.4
2004 05 10    09 42.1    +83 35.5    0.172    0.975    73.4    96.9    22.5
2004 05 11    09 41.7    +84 59.7    0.180    0.972    72.8    97.0    22.6
2004 05 12    09 41      +86 17.0    0.187    0.970    72.3    97.1    22.7
2004 05 13    09 37      +87 28.0    0.195    0.967    71.8    97.1    22.8
2004 05 14    09 28      +88 33.6    0.203    0.965    71.4    97.1    22.9
2004 05 15    08 33      +89 33.3    0.211    0.963    71.0    97.0    22.9

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-H47

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