(1) Ceres
Orbital Elements
The following orbital elements are taken from MPC 24219:
(1) Ceres
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5 Bowell
M 18.05675 (2000.0) P Q
n 0.21417501 Peri. 73.93048 -0.88589092 -0.42706483
a 2.7666668 Node 80.49346 +0.32340482 -0.84851696
e 0.0784321 Incl. 10.58335 +0.33257570 -0.31246535
P 4.60 H 3.34 G 0.12
From 4676 observations at 62 oppositions, 1839-1994, mean residual 0".54.
An explanation of the orbital
elements is available.These orbital elements are also available in forms suitable for loading into a number of popular planetarium-type software programs.
Ephemeris
The following ephemeris is at intervals of five days. A daily ephemeris covering the same time interval is also available.
Date TT R. A. (2000) Decl. Delta r Elong. Phase V 1999 12 23 12 25.80 +09 21.3 2.378 2.550 88.6 22.7 8.4 1999 12 28 12 30.96 +09 11.4 2.314 2.551 92.3 22.7 8.3 2000 01 07 12 40.07 +09 02.2 2.188 2.552 100.2 22.3 8.2 2000 01 12 12 43.94 +09 03.3 2.126 2.552 104.2 21.9 8.1 2000 01 17 12 47.30 +09 08.4 2.065 2.553 108.4 21.4 8.0 2000 01 22 12 50.12 +09 17.5 2.007 2.554 112.8 20.8 8.0 2000 01 27 12 52.36 +09 30.6 1.950 2.555 117.2 20.0 7.9 2000 02 01 12 53.98 +09 47.7 1.896 2.556 121.8 19.1 7.8 2000 02 06 12 54.95 +10 08.6 1.845 2.557 126.5 18.1 7.7 2000 02 11 12 55.23 +10 33.0 1.798 2.558 131.2 16.9 7.6 2000 02 16 12 54.83 +11 00.4 1.754 2.559 136.1 15.5 7.5 2000 02 21 12 53.75 +11 30.3 1.715 2.561 141.0 14.1 7.4 2000 02 26 12 51.99 +12 02.0 1.682 2.562 145.9 12.5 7.3 2000 03 02 12 49.59 +12 34.6 1.653 2.564 150.7 10.9 7.2 2000 03 07 12 46.60 +13 07.2 1.630 2.565 155.2 9.3 7.1 2000 03 12 12 43.11 +13 38.6 1.614 2.567 159.1 7.9 7.0 2000 03 17 12 39.22 +14 07.7 1.604 2.569 162.0 6.9 6.9 2000 03 22 12 35.06 +14 33.6 1.601 2.571 163.2 6.4 6.9 2000 03 27 12 30.75 +14 55.3 1.604 2.572 162.4 6.7 6.9 2000 04 01 12 26.42 +15 12.0 1.613 2.574 159.8 7.7 7.0 2000 04 06 12 22.23 +15 23.3 1.629 2.576 156.1 9.0 7.1 2000 04 11 12 18.30 +15 28.6 1.652 2.579 151.8 10.6 7.2 2000 04 16 12 14.74 +15 27.9 1.680 2.581 147.2 12.2 7.3 2000 04 21 12 11.64 +15 21.3 1.713 2.583 142.4 13.7 7.4 2000 04 26 12 09.08 +15 09.1 1.751 2.585 137.6 15.2 7.5 2000 05 01 12 07.09 +14 51.5 1.794 2.588 132.9 16.6 7.6 2000 05 06 12 05.72 +14 28.9 1.841 2.590 128.3 17.8 7.7 2000 05 11 12 04.97 +14 01.8 1.892 2.593 123.8 18.9 7.8 2000 05 16 12 04.85 +13 30.7 1.946 2.596 119.4 19.8 7.9 2000 05 21 12 05.32 +12 56.0 2.002 2.598 115.1 20.7 8.0 2000 05 26 12 06.37 +12 18.1 2.061 2.601 111.0 21.3 8.1 2000 05 31 12 07.96 +11 37.4 2.121 2.604 106.9 21.9 8.2 2000 06 05 12 10.08 +10 54.2 2.183 2.607 103.0 22.3 8.2 2000 06 10 12 12.68 +10 08.9 2.247 2.610 99.2 22.6 8.3 2000 06 15 12 15.73 +09 21.7 2.311 2.613 95.6 22.8 8.4
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