(5) Astraea
Orbital Elements
The following orbital elements are taken from MPC 24219:
(5) Astraea
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5 (M-c) Bowell
M 52.88607 (2000.0) P Q
n 0.23864979 Peri. 357.68184 -0.75922324 -0.64824313
a 2.5741193 Node 141.70425 +0.59862015 -0.73049845
e 0.1923083 Incl. 5.36772 +0.25540943 -0.21483217
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 2000 02 16 15 34.72 -13 30.8 2.073 2.327 92.0 25.1 11.4 2000 02 21 15 39.82 -13 34.6 2.020 2.337 95.8 24.9 11.4 2000 02 26 15 44.39 -13 35.6 1.968 2.347 99.7 24.6 11.3 2000 03 02 15 48.37 -13 33.8 1.916 2.357 103.7 24.1 11.3 2000 03 07 15 51.73 -13 29.3 1.865 2.367 107.9 23.5 11.2 2000 03 12 15 54.43 -13 22.1 1.816 2.377 112.3 22.8 11.1 2000 03 17 15 56.42 -13 12.5 1.768 2.388 116.7 21.9 11.0 2000 03 22 15 57.69 -13 00.6 1.723 2.398 121.4 20.8 11.0 2000 03 27 15 58.20 -12 46.5 1.681 2.408 126.2 19.5 10.9 2000 04 01 15 57.95 -12 30.5 1.641 2.419 131.1 18.1 10.8 2000 04 06 15 56.93 -12 12.7 1.606 2.429 136.2 16.6 10.7 2000 04 11 15 55.15 -11 53.5 1.574 2.440 141.5 14.8 10.6 2000 04 16 15 52.68 -11 33.3 1.548 2.450 146.8 13.0 10.5 2000 04 21 15 49.57 -11 12.6 1.526 2.461 152.2 11.0 10.4 2000 04 26 15 45.89 -10 51.7 1.511 2.471 157.6 8.9 10.3 2000 05 01 15 41.76 -10 31.2 1.501 2.482 162.9 6.9 10.2 2000 05 06 15 37.31 -10 11.6 1.497 2.492 167.5 5.0 10.1 2000 05 11 15 32.67 -09 53.6 1.501 2.503 170.6 3.8 10.1 2000 05 16 15 27.99 -09 37.7 1.510 2.513 170.4 3.8 10.1 2000 05 21 15 23.43 -09 24.3 1.527 2.524 167.1 5.1 10.2 2000 05 26 15 19.10 -09 13.9 1.549 2.534 162.5 6.9 10.3 2000 05 31 15 15.12 -09 06.7 1.578 2.544 157.4 8.8 10.5 2000 06 05 15 11.61 -09 03.0 1.613 2.555 152.1 10.7 10.6 2000 06 10 15 08.63 -09 02.8 1.654 2.565 146.9 12.5 10.7 2000 06 15 15 06.25 -09 06.2 1.700 2.575 141.8 14.1 10.9 2000 06 20 15 04.49 -09 12.9 1.750 2.586 136.8 15.6 11.0 2000 06 25 15 03.36 -09 22.9 1.804 2.596 131.9 16.9 11.1 2000 06 30 15 02.88 -09 35.8 1.863 2.606 127.2 18.1 11.2 2000 07 05 15 03.03 -09 51.6 1.925 2.616 122.6 19.1 11.3 2000 07 10 15 03.79 -10 09.8 1.989 2.626 118.1 20.0 11.4 2000 07 15 15 05.14 -10 30.2 2.056 2.636 113.8 20.6 11.5 2000 07 20 15 07.05 -10 52.6 2.125 2.646 109.7 21.2 11.6 2000 07 25 15 09.47 -11 16.5 2.196 2.656 105.6 21.6 11.7 2000 07 30 15 12.40 -11 41.8 2.268 2.666 101.7 21.9 11.8 2000 08 04 15 15.79 -12 08.3 2.341 2.676 97.8 22.1 11.9
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