(5) Astraea
Orbital Elements
The following orbital elements are taken from MPO 41498
(5) Astraea
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5 Goffin
M 122.79451 (2000.0) P Q
n 0.23884841 Peri. 357.52667 -0.75728762 -0.65049967
a 2.5726921 Node 141.68869 +0.60078551 -0.72872362
e 0.1931425 Incl. 5.36966 +0.25607075 -0.21403755
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 2005 06 20 21 17.10 -13 22.3 2.274 3.040 131.1 14.6 11.9 2005 06 25 21 15.57 -13 32.5 2.226 3.043 136.3 13.3 11.8 2005 06 30 21 13.49 -13 45.6 2.183 3.046 141.6 12.0 11.7 2005 07 05 21 10.87 -14 01.5 2.145 3.048 147.0 10.5 11.6 2005 07 10 21 07.77 -14 19.9 2.112 3.051 152.6 8.8 11.5 2005 07 15 21 04.24 -14 40.6 2.086 3.053 158.3 7.1 11.4 2005 07 20 21 00.34 -15 03.0 2.066 3.055 164.0 5.2 11.3 2005 07 25 20 56.17 -15 26.8 2.052 3.057 169.8 3.4 11.2 2005 07 30 20 51.81 -15 51.3 2.046 3.059 175.6 1.5 11.0 2005 08 04 20 47.37 -16 16.2 2.047 3.061 177.6 0.8 11.0 2005 08 09 20 42.96 -16 40.9 2.055 3.062 172.1 2.6 11.1 2005 08 14 20 38.69 -17 04.8 2.070 3.064 166.3 4.5 11.3 2005 08 19 20 34.67 -17 27.5 2.092 3.065 160.5 6.3 11.4 2005 08 24 20 30.99 -17 48.7 2.121 3.066 154.8 8.1 11.5 2005 08 29 20 27.73 -18 08.0 2.156 3.067 149.1 9.7 11.6 2005 09 03 20 24.95 -18 25.4 2.197 3.068 143.6 11.3 11.7 2005 09 08 20 22.71 -18 40.6 2.243 3.069 138.2 12.7 11.8
