(103) Hera
Orbital Elements
The following orbital elements are taken from MPO 8362(103) Hera Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Goffin M 330.95311 (2000.0) P Q n 0.22187296 Peri. 188.23179 +0.81418333 +0.57692729 a 2.7022973 Node 136.31860 -0.52717010 +0.78167125 e 0.0803801 Incl. 5.42300 -0.24330470 +0.23694927 P 4.44 H 7.66 G 0.15 U 0 From 497 observations at 76 oppositions, 1868-2000, mean residual 0".56.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 06 30 22 21.08 -09 55.7 1.764 2.488 124.8 19.6 11.9 2001 07 05 22 21.64 -10 03.4 1.714 2.488 129.5 18.4 11.8 2001 07 10 22 21.58 -10 15.3 1.668 2.487 134.3 17.0 11.7 2001 07 15 22 20.87 -10 31.6 1.625 2.486 139.4 15.4 11.5 2001 07 20 22 19.52 -10 52.0 1.587 2.486 144.6 13.7 11.4 2001 07 25 22 17.56 -11 16.3 1.554 2.486 149.9 11.8 11.3 2001 07 30 22 15.04 -11 44.2 1.526 2.485 155.4 9.8 11.2 2001 08 04 22 12.01 -12 14.9 1.504 2.485 161.1 7.6 11.1 2001 08 09 22 08.57 -12 47.8 1.487 2.485 166.8 5.3 10.9 2001 08 14 22 04.82 -13 22.0 1.477 2.485 172.6 3.0 10.8 2001 08 19 22 00.87 -13 56.7 1.474 2.485 177.8 0.9 10.6 2001 08 24 21 56.86 -14 30.8 1.477 2.485 175.1 2.0 10.7 2001 08 29 21 52.94 -15 03.5 1.486 2.486 169.3 4.3 10.9 2001 09 03 21 49.25 -15 33.8 1.502 2.486 163.5 6.6 11.0 2001 09 08 21 45.90 -16 01.3 1.525 2.487 157.8 8.8 11.2 2001 09 13 21 42.99 -16 25.2 1.553 2.487 152.2 10.9 11.3 2001 09 18 21 40.62 -16 45.4 1.587 2.488 146.6 12.8 11.4 2001 09 23 21 38.86 -17 01.4 1.625 2.489 141.3 14.6 11.5 2001 09 28 21 37.77 -17 13.1 1.669 2.490 136.1 16.2 11.6 2001 10 03 21 37.34 -17 20.7 1.717 2.491 131.0 17.6 11.7 2001 10 08 21 37.60 -17 24.1 1.768 2.492 126.2 18.9 11.8
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