(5) Astraea
Orbital Elements
The following orbital elements are taken from MPC 24219:
(5) Astraea
Epoch 2002 May 6.0 TT = JDT 2452400.5 (M-c) Bowell
M 243.80426 (2000.0) P Q
n 0.23882449 Peri. 357.71182 -0.75943192 -0.64799559
a 2.5728639 Node 141.69276 +0.59837803 -0.73070269
e 0.1930035 Incl. 5.36953 +0.25535640 -0.21488437
P 4.13 H 6.85 G 0.15
From 702 observations at 51 oppositions, 1851-1993, mean residual 0".66.
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 2002 08 24 03 15.45 +12 08.4 2.284 2.666 100.9 21.9 11.8 2002 08 29 03 18.79 +12 08.2 2.211 2.656 104.9 21.6 11.7 2002 09 03 03 21.64 +12 05.4 2.140 2.646 109.0 21.1 11.6 2002 09 08 03 23.97 +11 59.9 2.070 2.636 113.3 20.6 11.6 2002 09 13 03 25.72 +11 51.7 2.002 2.626 117.7 19.8 11.4 2002 09 18 03 26.88 +11 41.0 1.937 2.616 122.3 18.9 11.3 2002 09 23 03 27.39 +11 27.6 1.875 2.606 127.0 17.9 11.2 2002 09 28 03 27.24 +11 11.7 1.816 2.595 131.9 16.7 11.1 2002 10 03 03 26.41 +10 53.5 1.762 2.585 137.0 15.3 11.0 2002 10 08 03 24.87 +10 33.0 1.711 2.575 142.2 13.7 10.9 2002 10 13 03 22.65 +10 10.7 1.666 2.565 147.6 12.0 10.7 2002 10 18 03 19.79 +09 46.9 1.626 2.554 153.0 10.2 10.6 2002 10 23 03 16.35 +09 22.1 1.592 2.544 158.5 8.2 10.5 2002 10 28 03 12.40 +08 56.9 1.564 2.533 163.8 6.3 10.3 2002 11 02 03 08.04 +08 31.8 1.543 2.523 168.4 4.5 10.2 2002 11 07 03 03.41 +08 07.7 1.528 2.512 171.1 3.5 10.1 2002 11 12 02 58.66 +07 45.2 1.521 2.502 169.9 4.0 10.1 2002 11 17 02 53.93 +07 25.3 1.521 2.491 165.8 5.6 10.2 2002 11 22 02 49.38 +07 08.4 1.527 2.481 160.6 7.6 10.3 2002 11 27 02 45.15 +06 55.1 1.540 2.470 155.0 9.7 10.4 2002 12 02 02 41.36 +06 45.9 1.559 2.459 149.4 11.8 10.5 2002 12 07 02 38.12 +06 41.1 1.584 2.449 143.8 13.8 10.6 2002 12 12 02 35.52 +06 40.8 1.614 2.438 138.3 15.6 10.7 2002 12 17 02 33.62 +06 45.1 1.649 2.428 132.9 17.3 10.8 2002 12 22 02 32.43 +06 53.8 1.687 2.417 127.7 18.8 10.9 2002 12 27 02 31.99 +07 06.7 1.730 2.407 122.6 20.1 11.0 2003 01 01 02 32.28 +07 23.5 1.775 2.397 117.8 21.3 11.0 2003 01 06 02 33.30 +07 44.0 1.823 2.386 113.1 22.3 11.1 2003 01 11 02 35.03 +08 07.7 1.872 2.376 108.6 23.1 11.2 2003 01 16 02 37.43 +08 34.4 1.923 2.366 104.2 23.8 11.3 2003 01 21 02 40.46 +09 03.7 1.976 2.355 100.0 24.3 11.3 2003 01 26 02 44.10 +09 35.1 2.028 2.345 96.0 24.7 11.4 2003 01 31 02 48.32 +10 08.4 2.082 2.335 92.1 24.9 11.4
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