(20) Massalia
Orbital Elements
The following orbital elements are taken from MPC 24085:(20) Massalia Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 (M-c) Bowell M 178.81778 (2000.0) P Q n 0.26351999 Peri. 255.65662 -0.21234537 -0.97717910 a 2.4095004 Node 206.60514 +0.90123957 -0.19365466 e 0.1426016 Incl. 0.70590 +0.37772567 -0.08728614 P 3.74 H 6.50 G 0.25 From 732 observations at 55 oppositions, 1869-1993, mean residual 0".62.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 05 01 20 44.20 -17 19.2 2.528 2.751 91.8 21.5 11.6 2001 05 06 20 47.94 -17 03.1 2.460 2.751 95.8 21.4 11.6 2001 05 11 20 51.22 -16 48.5 2.392 2.750 99.8 21.2 11.5 2001 05 16 20 54.01 -16 35.7 2.324 2.749 103.9 20.9 11.4 2001 05 21 20 56.29 -16 24.7 2.258 2.747 108.1 20.5 11.4 2001 05 26 20 58.00 -16 15.9 2.194 2.746 112.5 19.9 11.3 2001 05 31 20 59.14 -16 09.5 2.131 2.745 117.0 19.2 11.2 2001 06 05 20 59.68 -16 05.6 2.071 2.743 121.7 18.4 11.1 2001 06 10 20 59.59 -16 04.3 2.014 2.741 126.5 17.3 11.0 2001 06 15 20 58.87 -16 05.7 1.959 2.739 131.4 16.1 10.9 2001 06 20 20 57.48 -16 09.9 1.909 2.737 136.5 14.8 10.8 2001 06 25 20 55.45 -16 16.9 1.863 2.735 141.8 13.3 10.7 2001 06 30 20 52.80 -16 26.4 1.822 2.733 147.2 11.6 10.6 2001 07 05 20 49.56 -16 38.3 1.787 2.730 152.8 9.8 10.5 2001 07 10 20 45.79 -16 52.2 1.757 2.728 158.5 7.9 10.4 2001 07 15 20 41.57 -17 07.8 1.733 2.725 164.3 5.8 10.3 2001 07 20 20 36.98 -17 24.7 1.716 2.722 170.1 3.7 10.2 2001 07 25 20 32.15 -17 42.2 1.705 2.719 176.0 1.5 10.0 2001 07 30 20 27.21 -17 59.9 1.702 2.716 177.6 0.9 10.0 2001 08 04 20 22.30 -18 17.2 1.705 2.713 171.8 3.1 10.1 2001 08 09 20 17.55 -18 33.8 1.715 2.710 165.9 5.2 10.2 2001 08 14 20 13.08 -18 49.2 1.732 2.706 160.0 7.4 10.3 2001 08 19 20 09.01 -19 03.1 1.755 2.703 154.2 9.4 10.4 2001 08 24 20 05.46 -19 15.4 1.785 2.699 148.5 11.3 10.5 2001 08 29 20 02.49 -19 25.7 1.819 2.695 143.0 13.0 10.6 2001 09 03 20 00.18 -19 34.2 1.859 2.691 137.6 14.6 10.7 2001 09 08 19 58.54 -19 40.7 1.903 2.687 132.3 16.1 10.8 2001 09 13 19 57.60 -19 45.2 1.951 2.683 127.3 17.4 10.9 2001 09 18 19 57.37 -19 47.7 2.003 2.678 122.3 18.5 11.0 2001 09 23 19 57.83 -19 48.3 2.058 2.674 117.5 19.4 11.1 2001 09 28 19 58.97 -19 46.9 2.115 2.669 112.9 20.2 11.1 2001 10 03 20 00.75 -19 43.7 2.174 2.665 108.4 20.9 11.2 2001 10 08 20 03.14 -19 38.5 2.234 2.660 104.1 21.4 11.3 2001 10 13 20 06.11 -19 31.4 2.296 2.655 99.8 21.7 11.4 2001 10 18 20 09.61 -19 22.4 2.358 2.650 95.7 22.0 11.4
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