(5) Astraea
Orbital Elements
The following orbital elements are taken from MPO 41498
(5) Astraea
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 Goffin
M 97.04120 (2000.0) P Q
n 0.23873324 Peri. 357.55679 -0.75745362 -0.65030518
a 2.5735194 Node 141.67326 +0.60058942 -0.72887528
e 0.1922555 Incl. 5.36907 +0.25603977 -0.21411214
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 2009 06 10 20 38.51 -14 54.9 2.231 2.996 130.9 14.8 11.8 2009 06 15 20 36.92 -15 02.2 2.185 3.001 136.1 13.6 11.7 2009 06 20 20 34.76 -15 12.1 2.143 3.005 141.4 12.2 11.6 2009 06 25 20 32.06 -15 24.5 2.107 3.009 146.8 10.7 11.5 2009 06 30 20 28.85 -15 39.2 2.076 3.013 152.4 9.0 11.4 2009 07 05 20 25.20 -15 56.0 2.051 3.017 158.0 7.2 11.3 2009 07 10 20 21.18 -16 14.5 2.032 3.021 163.7 5.4 11.2 2009 07 15 20 16.88 -16 34.3 2.020 3.025 169.4 3.5 11.1 2009 07 20 20 12.39 -16 55.0 2.015 3.029 174.8 1.7 11.0 2009 07 25 20 07.83 -17 16.2 2.017 3.032 176.7 1.1 10.9 2009 07 30 20 03.31 -17 37.3 2.027 3.035 171.9 2.7 11.1 2009 08 04 19 58.94 -17 58.0 2.043 3.038 166.3 4.5 11.2 2009 08 09 19 54.84 -18 18.0 2.066 3.041 160.6 6.4 11.3 2009 08 14 19 51.09 -18 36.9 2.096 3.044 154.9 8.1 11.4 2009 08 19 19 47.77 -18 54.5 2.132 3.047 149.3 9.8 11.6 2009 08 24 19 44.95 -19 10.6 2.174 3.049 143.8 11.3 11.7 2009 08 29 19 42.69 -19 25.1 2.222 3.052 138.4 12.7 11.8 2009 09 03 19 41.01 -19 38.0 2.274 3.054 133.2 13.9 11.9 2009 09 08 19 39.94 -19 49.1 2.330 3.056 128.1 15.0 11.9
