(16) Psyche
Orbital Elements
The following orbital elements are taken from MPC 35055:(16) Psyche Epoch 2002 Nov. 22.0 TT = JDT 2452600.5 Goffin M 184.84488 (2000.0) P Q n 0.19762861 Peri. 228.27918 +0.94702860 -0.32003677 a 2.9190140 Node 150.35693 +0.30835128 +0.88289634 e 0.1396854 Incl. 3.09542 +0.08975702 +0.34361390 P 4.99 H 5.90 G 0.20 U 0 From 1831 observations at 96 oppositions, 1852-1998, 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 02 20 15 26.53 -15 35.7 3.022 3.302 97.7 17.3 11.7 2003 02 25 15 28.86 -15 38.3 2.947 3.300 102.1 17.1 11.7 2003 03 02 15 30.73 -15 39.0 2.874 3.298 106.7 16.7 11.6 2003 03 07 15 32.12 -15 37.8 2.802 3.296 111.4 16.3 11.5 2003 03 12 15 33.00 -15 34.6 2.732 3.293 116.2 15.7 11.5 2003 03 17 15 33.35 -15 29.5 2.665 3.291 121.1 15.0 11.4 2003 03 22 15 33.17 -15 22.5 2.601 3.288 126.1 14.2 11.3 2003 03 27 15 32.45 -15 13.6 2.541 3.285 131.2 13.2 11.2 2003 04 01 15 31.18 -15 02.9 2.485 3.283 136.5 12.1 11.1 2003 04 06 15 29.38 -14 50.5 2.434 3.280 141.9 10.9 11.0 2003 04 11 15 27.07 -14 36.5 2.388 3.277 147.3 9.5 11.0 2003 04 16 15 24.30 -14 21.1 2.349 3.274 152.9 8.0 10.9 2003 04 21 15 21.13 -14 04.6 2.315 3.271 158.5 6.5 10.8 2003 04 26 15 17.61 -13 47.2 2.288 3.267 164.1 4.8 10.7 2003 05 01 15 13.82 -13 29.2 2.268 3.264 169.6 3.2 10.5 2003 05 06 15 09.85 -13 11.0 2.255 3.261 174.3 1.8 10.4 2003 05 11 15 05.80 -12 53.0 2.250 3.257 175.1 1.5 10.4 2003 05 16 15 01.77 -12 35.8 2.252 3.254 170.8 2.8 10.5 2003 05 21 14 57.85 -12 19.5 2.260 3.250 165.5 4.5 10.6 2003 05 26 14 54.13 -12 04.7 2.276 3.246 159.9 6.2 10.7 2003 05 31 14 50.69 -11 51.7 2.299 3.242 154.4 7.8 10.8 2003 06 05 14 47.60 -11 40.8 2.327 3.238 148.9 9.3 10.9 2003 06 10 14 44.92 -11 32.3 2.362 3.234 143.5 10.8 11.0 2003 06 15 14 42.71 -11 26.3 2.402 3.230 138.2 12.1 11.0 2003 06 20 14 40.97 -11 22.9 2.446 3.226 133.0 13.3 11.1 2003 06 25 14 39.75 -11 22.2 2.495 3.222 128.0 14.4 11.2 2003 06 30 14 39.03 -11 24.1 2.548 3.218 123.1 15.4 11.3 2003 07 05 14 38.84 -11 28.6 2.604 3.213 118.3 16.2 11.3 2003 07 10 14 39.17 -11 35.6 2.663 3.209 113.7 16.9 11.4 2003 07 15 14 39.99 -11 44.9 2.724 3.204 109.2 17.4 11.5 2003 07 20 14 41.30 -11 56.5 2.786 3.200 104.8 17.9 11.5 2003 07 25 14 43.07 -12 10.0 2.850 3.195 100.5 18.2 11.6 2003 07 30 14 45.28 -12 25.5 2.915 3.190 96.3 18.4 11.6
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