(18) Melpomene
Orbital Elements
The following orbital elements are taken from MPO 53552(18) Melpomene Epoch 2003 Dec. 27.0 TT = JDT 2453000.5 Goffin M 120.43254 (2000.0) P Q n 0.28314081 Peri. 227.87362 +0.94302190 -0.32130670 a 2.2968594 Node 150.55776 +0.33272404 +0.90898630 e 0.2175330 Incl. 10.12820 +0.00210020 +0.26552947 P 3.48 H 6.51 G 0.25 U 0 From 4910 observations at 95 oppositions, 1852-2003, mean residual 0".55.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 2003 12 22 11 55.92 +01 39.0 2.396 2.609 91.2 22.1 11.4 2003 12 27 11 59.51 +01 31.5 2.334 2.618 95.5 22.0 11.4 2004 01 06 12 05.21 +01 28.6 2.213 2.634 104.3 21.2 11.2 2004 01 11 12 07.27 +01 33.5 2.153 2.642 109.0 20.6 11.2 2004 01 16 12 08.75 +01 43.1 2.095 2.650 113.8 19.9 11.1 2004 01 21 12 09.62 +01 57.5 2.040 2.657 118.8 18.9 11.0 2004 01 26 12 09.86 +02 16.7 1.987 2.664 123.9 17.9 10.9 2004 01 31 12 09.44 +02 40.9 1.938 2.672 129.2 16.6 10.9 2004 02 05 12 08.37 +03 09.9 1.892 2.679 134.7 15.2 10.8 2004 02 10 12 06.66 +03 43.4 1.851 2.685 140.3 13.6 10.7 2004 02 15 12 04.31 +04 21.2 1.815 2.692 146.1 11.8 10.6 2004 02 20 12 01.37 +05 02.5 1.785 2.698 151.9 9.9 10.5 2004 02 25 11 57.91 +05 46.7 1.762 2.704 157.9 7.9 10.4 2004 03 01 11 54.01 +06 32.9 1.745 2.710 163.8 5.9 10.3 2004 03 06 11 49.77 +07 19.9 1.735 2.716 169.3 3.9 10.2 2004 03 11 11 45.32 +08 06.7 1.732 2.722 173.4 2.4 10.1 2004 03 16 11 40.77 +08 52.2 1.737 2.727 172.8 2.6 10.1 2004 03 21 11 36.25 +09 35.3 1.750 2.732 168.2 4.3 10.2 2004 03 26 11 31.91 +10 15.1 1.769 2.737 162.6 6.3 10.4 2004 03 31 11 27.86 +10 50.8 1.795 2.742 156.8 8.2 10.5 2004 04 05 11 24.20 +11 21.8 1.828 2.747 151.0 10.2 10.6 2004 04 10 11 21.01 +11 47.9 1.867 2.751 145.4 11.9 10.7 2004 04 15 11 18.36 +12 08.7 1.912 2.755 139.8 13.6 10.8 2004 04 20 11 16.29 +12 24.4 1.961 2.759 134.5 15.1 10.9 2004 04 25 11 14.82 +12 34.9 2.015 2.763 129.2 16.4 11.0 2004 04 30 11 13.97 +12 40.4 2.072 2.767 124.2 17.5 11.1 2004 05 05 11 13.72 +12 41.4 2.132 2.770 119.4 18.5 11.2 2004 05 10 11 14.05 +12 37.9 2.196 2.773 114.7 19.3 11.3 2004 05 15 11 14.95 +12 30.5 2.261 2.776 110.1 20.0 11.4 2004 05 20 11 16.38 +12 19.3 2.328 2.779 105.8 20.5 11.5 2004 05 25 11 18.32 +12 04.6 2.396 2.782 101.5 20.9 11.5 2004 05 30 11 20.73 +11 46.8 2.465 2.784 97.4 21.2 11.6 2004 06 04 11 23.57 +11 26.1 2.535 2.786 93.4 21.3 11.7
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