(20) Massalia
Orbital Elements
The following orbital elements are taken from MPO 25662(20) Massalia Epoch 2003 Dec. 27.0 TT = JDT 2453000.5 Goffin M 82.44149 (2000.0) P Q n 0.26362302 Peri. 255.66593 -0.21116134 -0.97743571 a 2.4088726 Node 206.52642 +0.90147939 -0.19256799 e 0.1432542 Incl. 0.70655 +0.37781714 -0.08681596 P 3.74 H 6.50 G 0.25 U 0 From 1670 observations at 96 oppositions, 1852-2001, 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 2004 02 25 15 48.10 -19 51.0 2.192 2.505 96.5 23.1 11.2 2004 03 01 15 51.85 -20 01.2 2.134 2.512 100.6 22.8 11.1 2004 03 06 15 55.03 -20 09.4 2.076 2.519 104.8 22.4 11.0 2004 03 11 15 57.59 -20 15.5 2.019 2.526 109.2 21.8 11.0 2004 03 16 15 59.48 -20 19.5 1.963 2.534 113.8 21.1 10.9 2004 03 21 16 00.68 -20 21.3 1.910 2.541 118.5 20.2 10.8 2004 03 26 16 01.15 -20 21.0 1.859 2.547 123.3 19.1 10.7 2004 03 31 16 00.87 -20 18.6 1.812 2.554 128.3 17.9 10.6 2004 04 05 15 59.84 -20 13.9 1.767 2.561 133.5 16.5 10.6 2004 04 10 15 58.07 -20 07.1 1.727 2.568 138.9 14.9 10.5 2004 04 15 15 55.57 -19 58.0 1.692 2.574 144.4 13.1 10.4 2004 04 20 15 52.40 -19 46.7 1.661 2.581 150.0 11.2 10.3 2004 04 25 15 48.62 -19 33.4 1.636 2.587 155.8 9.2 10.2 2004 04 30 15 44.34 -19 18.2 1.618 2.593 161.7 7.0 10.1 2004 05 05 15 39.68 -19 01.4 1.605 2.600 167.7 4.7 10.0 2004 05 10 15 34.77 -18 43.3 1.600 2.606 173.7 2.4 9.8 2004 05 15 15 29.74 -18 24.4 1.601 2.612 179.4 0.2 9.7 2004 05 20 15 24.75 -18 05.3 1.609 2.617 174.1 2.3 9.8 2004 05 25 15 19.95 -17 46.5 1.624 2.623 168.2 4.5 10.0 2004 05 30 15 15.47 -17 28.5 1.645 2.629 162.3 6.7 10.1 2004 06 04 15 11.42 -17 12.1 1.673 2.634 156.5 8.8 10.2 2004 06 09 15 07.89 -16 57.5 1.707 2.640 150.8 10.8 10.4 2004 06 14 15 04.94 -16 45.2 1.746 2.645 145.3 12.6 10.5 2004 06 19 15 02.63 -16 35.5 1.791 2.650 139.9 14.3 10.6 2004 06 24 15 00.98 -16 28.6 1.840 2.655 134.8 15.8 10.7 2004 06 29 15 00.01 -16 24.6 1.893 2.660 129.7 17.1 10.8 2004 07 04 14 59.70 -16 23.4 1.950 2.665 124.9 18.2 10.9 2004 07 09 15 00.03 -16 25.1 2.010 2.670 120.2 19.2 11.0 2004 07 14 15 00.99 -16 29.4 2.072 2.675 115.7 20.0 11.1 2004 07 19 15 02.55 -16 36.2 2.137 2.679 111.3 20.7 11.2 2004 07 24 15 04.67 -16 45.3 2.203 2.683 107.1 21.2 11.3 2004 07 29 15 07.34 -16 56.6 2.271 2.688 103.0 21.6 11.4 2004 08 03 15 10.50 -17 09.6 2.340 2.692 99.0 21.9 11.4 2004 08 08 15 14.13 -17 24.3 2.410 2.696 95.1 22.0 11.5 2004 08 13 15 18.20 -17 40.4 2.480 2.700 91.3 22.0 11.6
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