(1) Ceres
Orbital Elements
The following orbital elements are taken from MPC 24219:
(1) Ceres
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Bowell
M 103.63769 (2000.0) P Q
n 0.21410753 Peri. 73.97945 -0.88622651 -0.42636523
a 2.7672480 Node 80.48977 +0.32272833 -0.84876888
e 0.0787439 Incl. 10.58385 +0.33233867 -0.31273644
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 2001 04 11 19 24.04 -23 40.4 2.625 2.842 92.0 20.6 8.8 2001 04 16 19 28.06 -23 47.2 2.560 2.846 96.0 20.5 8.7 2001 04 21 19 31.60 -23 55.5 2.496 2.849 100.1 20.3 8.6 2001 04 26 19 34.63 -24 05.4 2.433 2.853 104.3 20.0 8.6 2001 05 01 19 37.12 -24 17.0 2.370 2.856 108.6 19.5 8.5 2001 05 06 19 39.03 -24 30.6 2.310 2.860 113.1 18.9 8.4 2001 05 11 19 40.35 -24 46.3 2.252 2.864 117.6 18.2 8.4 2001 05 16 19 41.05 -25 04.1 2.196 2.867 122.3 17.3 8.3 2001 05 21 19 41.10 -25 24.0 2.144 2.871 127.2 16.3 8.2 2001 05 26 19 40.48 -25 45.9 2.095 2.874 132.1 15.2 8.1 2001 05 31 19 39.20 -26 09.7 2.050 2.877 137.2 13.8 8.0 2001 06 05 19 37.26 -26 35.1 2.009 2.881 142.4 12.4 7.9 2001 06 10 19 34.69 -27 01.7 1.974 2.884 147.7 10.8 7.8 2001 06 15 19 31.53 -27 29.0 1.945 2.887 153.1 9.2 7.7 2001 06 20 19 27.83 -27 56.6 1.921 2.891 158.5 7.4 7.6 2001 06 25 19 23.67 -28 23.7 1.904 2.894 163.8 5.6 7.5 2001 06 30 19 19.17 -28 50.0 1.893 2.897 168.8 3.9 7.4 2001 07 05 19 14.43 -29 14.7 1.889 2.900 172.4 2.6 7.3 2001 07 10 19 09.59 -29 37.4 1.892 2.903 172.4 2.6 7.3 2001 07 15 19 04.77 -29 57.7 1.902 2.906 168.8 3.9 7.4 2001 07 20 19 00.11 -30 15.3 1.919 2.909 163.9 5.6 7.5 2001 07 25 18 55.74 -30 30.2 1.943 2.912 158.6 7.3 7.7 2001 07 30 18 51.78 -30 42.3 1.972 2.915 153.2 9.0 7.8 2001 08 04 18 48.32 -30 51.7 2.008 2.918 147.9 10.7 7.9 2001 08 09 18 45.43 -30 58.6 2.049 2.920 142.6 12.2 8.0 2001 08 14 18 43.17 -31 03.3 2.096 2.923 137.4 13.6 8.1 2001 08 19 18 41.58 -31 06.0 2.147 2.926 132.4 14.8 8.2 2001 08 24 18 40.67 -31 06.9 2.202 2.928 127.5 15.9 8.3 2001 08 29 18 40.46 -31 06.2 2.260 2.931 122.7 16.9 8.4 2001 09 03 18 40.92 -31 04.2 2.322 2.934 118.0 17.7 8.5 2001 09 08 18 42.04 -31 01.0 2.386 2.936 113.4 18.4 8.6 2001 09 13 18 43.78 -30 56.7 2.452 2.938 109.0 18.9 8.6 2001 09 18 18 46.13 -30 51.4 2.521 2.941 104.7 19.3 8.7 2001 09 23 18 49.04 -30 45.2 2.590 2.943 100.5 19.6 8.8 2001 09 28 18 52.49 -30 37.9 2.660 2.945 96.4 19.8 8.8
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