(106) Dione
Orbital Elements
The following orbital elements are taken from MPO 2601(106) Dione Epoch 2003 Dec. 27.0 TT = JDT 2453000.5 Williams M 329.51370 (2000.0) P Q n 0.17472991 Peri. 329.57659 +0.84673272 -0.52721640 a 3.1687736 Node 62.40826 +0.50289293 +0.74940660 e 0.1748279 Incl. 4.61571 +0.17361568 +0.40054040 P 5.64 H 7.41 G 0.15 U 0 From 332 observations at 49 oppositions, 1871-2000, mean residual 0".75.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 2004 10 22 05 16.90 +23 09.7 1.934 2.673 128.8 16.9 11.9 2004 10 27 05 16.15 +23 17.3 1.890 2.677 133.9 15.5 11.8 2004 11 01 05 14.68 +23 24.5 1.851 2.682 139.2 14.0 11.7 2004 11 06 05 12.50 +23 31.2 1.816 2.687 144.7 12.3 11.6 2004 11 11 05 09.67 +23 37.2 1.786 2.692 150.4 10.5 11.5 2004 11 16 05 06.24 +23 42.3 1.762 2.697 156.2 8.5 11.4 2004 11 21 05 02.31 +23 46.6 1.745 2.702 162.1 6.4 11.3 2004 11 26 04 58.00 +23 49.8 1.734 2.707 168.1 4.3 11.2 2004 12 01 04 53.45 +23 52.0 1.730 2.713 174.1 2.1 11.0 2004 12 06 04 48.78 +23 53.2 1.733 2.718 178.5 0.5 10.9 2004 12 11 04 44.16 +23 53.5 1.744 2.724 173.3 2.4 11.1 2004 12 16 04 39.73 +23 53.2 1.762 2.730 167.3 4.6 11.2 2004 12 21 04 35.64 +23 52.4 1.786 2.736 161.3 6.6 11.4 2004 12 26 04 32.00 +23 51.5 1.818 2.742 155.4 8.6 11.5 2004 12 31 04 28.90 +23 50.8 1.855 2.749 149.6 10.4 11.6 2005 01 05 04 26.42 +23 50.6 1.899 2.755 144.0 12.1 11.7 2005 01 10 04 24.60 +23 51.1 1.947 2.762 138.5 13.7 11.8
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