(23) Thalia
Orbital Elements
The following orbital elements are taken from MPO 4876(23) Thalia Epoch 2002 Nov. 22.0 TT = JDT 2452600.5 Goffin M 27.85135 (2000.0) P Q n 0.23150212 Peri. 59.24770 -0.58239251 -0.79650788 a 2.6268346 Node 67.24979 +0.67255700 -0.58437617 e 0.2338593 Incl. 10.14668 +0.45660273 -0.15517635 P 4.26 H 6.95 G 0.15 U 0 From 888 observations at 67 oppositions, 1852-2000, 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 2003 01 31 14 41.19 -06 04.1 2.036 2.275 90.8 25.7 11.5 2003 02 05 14 46.14 -06 21.5 1.986 2.287 94.6 25.5 11.4 2003 02 10 14 50.56 -06 36.1 1.936 2.299 98.5 25.1 11.3 2003 02 15 14 54.40 -06 47.9 1.886 2.311 102.5 24.7 11.3 2003 02 20 14 57.62 -06 56.9 1.838 2.323 106.6 24.1 11.2 2003 02 25 15 00.18 -07 03.4 1.790 2.335 110.9 23.3 11.2 2003 03 02 15 02.04 -07 07.2 1.745 2.347 115.4 22.4 11.1 2003 03 07 15 03.15 -07 08.6 1.701 2.360 120.1 21.3 11.0 2003 03 12 15 03.50 -07 07.8 1.660 2.372 124.9 20.1 10.9 2003 03 17 15 03.07 -07 05.0 1.621 2.385 129.9 18.7 10.8 2003 03 22 15 01.86 -07 00.4 1.587 2.397 135.0 17.1 10.8 2003 03 27 14 59.87 -06 54.4 1.556 2.410 140.3 15.3 10.7 2003 04 01 14 57.15 -06 47.3 1.531 2.423 145.7 13.4 10.6 2003 04 06 14 53.75 -06 39.5 1.510 2.435 151.3 11.4 10.5 2003 04 11 14 49.76 -06 31.5 1.495 2.448 156.8 9.3 10.4 2003 04 16 14 45.30 -06 23.9 1.486 2.461 162.2 7.2 10.3 2003 04 21 14 40.49 -06 17.1 1.484 2.473 167.2 5.2 10.2 2003 04 26 14 35.47 -06 11.7 1.488 2.486 170.9 3.7 10.1 2003 05 01 14 30.40 -06 08.0 1.499 2.499 171.3 3.5 10.2 2003 05 06 14 25.42 -06 06.5 1.516 2.512 168.1 4.8 10.3 2003 05 11 14 20.69 -06 07.7 1.540 2.524 163.3 6.6 10.4 2003 05 16 14 16.32 -06 11.8 1.571 2.537 158.1 8.5 10.5 2003 05 21 14 12.43 -06 18.8 1.608 2.550 152.8 10.5 10.7 2003 05 26 14 09.08 -06 28.8 1.650 2.563 147.5 12.3 10.8 2003 05 31 14 06.33 -06 41.8 1.698 2.575 142.3 13.9 10.9 2003 06 05 14 04.22 -06 57.8 1.750 2.588 137.2 15.5 11.1 2003 06 10 14 02.77 -07 16.7 1.807 2.600 132.2 16.8 11.2 2003 06 15 14 01.97 -07 38.1 1.868 2.613 127.4 18.0 11.3 2003 06 20 14 01.81 -08 02.0 1.932 2.625 122.8 19.0 11.4 2003 06 25 14 02.26 -08 28.0 1.999 2.638 118.3 19.8 11.6 2003 06 30 14 03.31 -08 56.0 2.069 2.650 114.0 20.5 11.7 2003 07 05 14 04.91 -09 25.8 2.140 2.662 109.8 21.1 11.8 2003 07 10 14 07.03 -09 57.2 2.214 2.674 105.7 21.5 11.9
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