(42) Isis
Orbital Elements
The following orbital elements are taken from MPO 9657(42) Isis Epoch 2002 May 6.0 TT = JDT 2452400.5 Goffin M 43.48299 (2000.0) P Q n 0.25847866 Peri. 235.91509 +0.76230277 +0.63011692 a 2.4407292 Node 84.56840 -0.53408340 +0.74142125 e 0.2236532 Incl. 8.53853 -0.36558092 +0.23075353 P 3.81 H 7.53 G 0.15 U 0 From 1078 observations at 79 oppositions, 1856-2000, mean residual 0".53.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 2002 11 02 06 16.42 +21 29.7 1.852 2.559 125.5 18.4 11.9 2002 11 07 06 15.10 +21 41.4 1.810 2.570 130.8 17.0 11.8 2002 11 12 06 12.97 +21 54.1 1.773 2.582 136.4 15.3 11.7 2002 11 17 06 10.05 +22 07.6 1.741 2.593 142.1 13.6 11.6 2002 11 22 06 06.39 +22 21.7 1.713 2.604 148.0 11.6 11.5 2002 11 27 06 02.05 +22 36.2 1.692 2.615 154.0 9.5 11.4 2002 12 02 05 57.13 +22 50.7 1.677 2.626 160.2 7.3 11.3 2002 12 07 05 51.76 +23 04.9 1.668 2.636 166.6 5.0 11.2 2002 12 12 05 46.08 +23 18.5 1.667 2.647 172.9 2.6 11.0 2002 12 17 05 40.28 +23 31.3 1.673 2.657 179.3 0.2 10.8 2002 12 22 05 34.52 +23 43.1 1.687 2.668 174.2 2.1 11.0 2002 12 27 05 28.97 +23 53.8 1.708 2.678 167.9 4.4 11.2 2003 01 01 05 23.77 +24 03.5 1.737 2.688 161.6 6.6 11.4 2003 01 06 05 19.08 +24 12.4 1.772 2.698 155.5 8.7 11.5 2003 01 11 05 15.00 +24 20.6 1.814 2.708 149.4 10.6 11.7 2003 01 16 05 11.61 +24 28.3 1.862 2.717 143.6 12.4 11.8 2003 01 21 05 08.96 +24 35.8 1.916 2.727 137.9 14.0 11.9
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