IAU Minor Planet Center

(1) Ceres

Orbital Elements

    (1) Ceres
Epoch 2003 Dec. 27.0 TT = JDT 2453000.5                 Bowell
M 317.77388              (2000.0)            P               Q
n   0.21425740     Peri.   74.06844     -0.88681167     -0.42515218
a   2.7659574      Node    80.47940     +0.32155986     -0.84919769
e   0.0795184      Incl.   10.58343     +0.33191012     -0.31322342
P   4.60           H    3.34          G   0.12
From 4676 observations at 62 oppositions, 1839-1994, mean residual 0".54.

These orbital elements are also available in forms suitable for loading into a number of popular planetarium-type software programs.

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2003 12 07    07 50.90   +26 28.5    1.797    2.625   139.4    14.1     7.5
2003 12 12    07 48.90   +26 59.9    1.754    2.621   144.9    12.5     7.4
2003 12 17    07 46.17   +27 32.9    1.716    2.618   150.5    10.7     7.3
2003 12 22    07 42.74   +28 06.9    1.685    2.615   156.1     8.8     7.2
2003 12 27    07 38.69   +28 41.1    1.660    2.612   161.7     6.8     7.1
2004 01 01    07 34.13   +29 14.7    1.641    2.609   167.0     4.9     6.9
2004 01 06    07 29.21   +29 46.7    1.630    2.606   171.0     3.4     6.8
2004 01 11    07 24.08   +30 16.5    1.626    2.603   171.6     3.1     6.8
2004 01 16    07 18.90   +30 43.4    1.629    2.600   168.3     4.4     6.9
2004 01 21    07 13.86   +31 06.8    1.639    2.597   163.3     6.2     7.0
2004 01 26    07 09.12   +31 26.5    1.656    2.594   157.8     8.3     7.1
2004 01 31    07 04.85   +31 42.4    1.679    2.591   152.1    10.2     7.2
2004 02 05    07 01.19   +31 54.6    1.709    2.589   146.5    12.1     7.3
2004 02 10    06 58.22   +32 03.3    1.744    2.586   141.0    13.9     7.4
2004 02 15    06 56.02   +32 08.9    1.784    2.584   135.6    15.5     7.5
2004 02 20    06 54.63   +32 11.6    1.828    2.581   130.4    17.0     7.6
2004 02 25    06 54.08   +32 11.9    1.877    2.579   125.4    18.2     7.7
2004 03 01    06 54.35   +32 09.9    1.928    2.577   120.5    19.4     7.8
2004 03 06    06 55.43   +32 06.0    1.983    2.574   115.8    20.3     7.9
2004 03 11    06 57.28   +32 00.5    2.040    2.572   111.3    21.1     8.0
2004 03 16    06 59.86   +31 53.3    2.098    2.570   106.9    21.7     8.1
2004 03 21    07 03.11   +31 44.6    2.158    2.568   102.7    22.2     8.2
2004 03 26    07 07.01   +31 34.5    2.219    2.566    98.7    22.6     8.2
2004 03 31    07 11.49   +31 23.0    2.281    2.565    94.8    22.8     8.3
2004 04 05    07 16.50   +31 10.0    2.343    2.563    91.0    23.0     8.4

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