(24) Themis
Orbital Elements
The following orbital elements are taken from MPC 22472:(24) Themis Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 (M-c) Bowell M 260.30836 (2000.0) P Q n 0.17820300 Peri. 108.81385 -0.81800213 -0.57516198 a 3.1274668 Node 36.07634 +0.52262061 -0.74882185 e 0.1342460 Incl. 0.76131 +0.24029196 -0.32932435 P 5.53 H 7.08 G 0.19 From 555 observations at 44 oppositions, 1908-1993, mean residual 0".66.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 10 28 05 26.27 +23 45.3 2.219 2.980 132.3 14.3 11.9 2001 11 02 05 24.97 +23 45.9 2.165 2.974 137.6 13.0 11.8 2001 11 07 05 23.03 +23 45.8 2.115 2.968 143.1 11.6 11.7 2001 11 12 05 20.47 +23 45.1 2.071 2.961 148.7 10.0 11.6 2001 11 17 05 17.34 +23 43.6 2.032 2.955 154.4 8.3 11.5 2001 11 22 05 13.71 +23 41.3 2.000 2.949 160.3 6.5 11.4 2001 11 27 05 09.67 +23 38.0 1.975 2.943 166.3 4.6 11.3 2001 12 02 05 05.33 +23 33.9 1.956 2.936 172.3 2.6 11.1 2001 12 07 05 00.80 +23 28.8 1.945 2.930 178.3 0.6 11.0 2001 12 12 04 56.22 +23 23.1 1.942 2.924 175.3 1.6 11.0 2001 12 17 04 51.72 +23 16.7 1.945 2.918 169.2 3.6 11.2 2001 12 22 04 47.44 +23 10.1 1.956 2.912 163.2 5.6 11.3 2001 12 27 04 43.50 +23 03.5 1.975 2.906 157.2 7.5 11.4 2002 01 01 04 40.00 +22 57.2 1.999 2.900 151.3 9.4 11.5 2002 01 06 04 37.03 +22 51.5 2.030 2.894 145.5 11.1 11.6
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