(5) Astraea
Orbital Elements
The following orbital elements are taken from MPO 41498
(5) Astraea
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 Goffin
M 1.57107 (2000.0) P Q
n 0.23874497 Peri. 357.49593 -0.75680383 -0.65106189
a 2.5734352 Node 141.67689 +0.60131926 -0.72827348
e 0.1925010 Incl. 5.36885 +0.25624815 -0.21386015
P 4.13 H 6.85 G 0.15 U 0
From 2178 observations at 100 oppositions, 1845-2002, 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.Personalized ephemerides for this object (and others) can be generated using the MPES.
Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2008 01 06 12 56.67 -03 15.9 1.864 2.117 90.6 27.7 11.1 2008 01 11 13 02.90 -03 38.4 1.811 2.122 94.1 27.5 11.0 2008 01 16 13 08.69 -03 56.9 1.758 2.127 97.8 27.3 10.9 2008 01 21 13 13.98 -04 11.4 1.706 2.133 101.5 26.9 10.9 2008 01 26 13 18.74 -04 21.5 1.654 2.138 105.4 26.3 10.8 2008 01 31 13 22.92 -04 27.0 1.604 2.144 109.5 25.7 10.7 2008 02 05 13 26.46 -04 27.8 1.556 2.151 113.7 24.8 10.6 2008 02 10 13 29.32 -04 23.7 1.509 2.157 118.1 23.8 10.5 2008 02 15 13 31.46 -04 14.6 1.465 2.164 122.7 22.6 10.4 2008 02 20 13 32.84 -04 00.6 1.423 2.171 127.5 21.2 10.3 2008 02 25 13 33.45 -03 41.8 1.385 2.178 132.4 19.6 10.2 2008 03 01 13 33.27 -03 18.3 1.350 2.186 137.5 17.8 10.1 2008 03 06 13 32.29 -02 50.4 1.320 2.193 142.8 15.9 10.0 2008 03 11 13 30.56 -02 18.9 1.294 2.201 148.2 13.7 9.9 2008 03 16 13 28.14 -01 44.4 1.273 2.209 153.8 11.5 9.8 2008 03 21 13 25.11 -01 07.8 1.258 2.218 159.3 9.1 9.7 2008 03 26 13 21.59 -00 30.3 1.248 2.226 164.6 6.8 9.6 2008 03 31 13 17.70 +00 07.1 1.245 2.235 169.4 4.7 9.5 2008 04 05 13 13.60 +00 43.1 1.248 2.243 172.0 3.5 9.4 2008 04 10 13 09.44 +01 16.6 1.258 2.252 170.6 4.1 9.5 2008 04 15 13 05.41 +01 46.4 1.274 2.261 166.5 6.0 9.6 2008 04 20 13 01.64 +02 11.7 1.296 2.271 161.4 8.1 9.8 2008 04 25 12 58.25 +02 32.0 1.324 2.280 156.0 10.3 9.9 2008 04 30 12 55.36 +02 46.8 1.357 2.289 150.7 12.4 10.1 2008 05 05 12 53.04 +02 56.0 1.396 2.299 145.5 14.4 10.2 2008 05 10 12 51.34 +02 59.4 1.439 2.309 140.4 16.2 10.3 2008 05 15 12 50.31 +02 57.4 1.487 2.318 135.4 17.8 10.5 2008 05 20 12 49.94 +02 50.1 1.538 2.328 130.7 19.2 10.6 2008 05 25 12 50.22 +02 38.0 1.593 2.338 126.1 20.5 10.7 2008 05 30 12 51.13 +02 21.4 1.651 2.348 121.7 21.6 10.8 2008 06 04 12 52.64 +02 00.7 1.712 2.358 117.5 22.4 11.0 2008 06 09 12 54.73 +01 36.4 1.775 2.368 113.4 23.2 11.1 2008 06 14 12 57.36 +01 08.7 1.840 2.379 109.4 23.7 11.2 2008 06 19 13 00.48 +00 38.2 1.906 2.389 105.6 24.2 11.3 2008 06 24 13 04.06 +00 05.1 1.974 2.399 101.9 24.5 11.4 2008 06 29 13 08.06 -00 30.1 2.043 2.410 98.3 24.7 11.5 2008 07 04 13 12.45 -01 07.3 2.112 2.420 94.8 24.7 11.5 2008 07 09 13 17.21 -01 46.1 2.182 2.430 91.4 24.7 11.6
