(13) Egeria
Orbital Elements
The following orbital elements are taken from MPO 2601(13) Egeria Epoch 2002 May 6.0 TT = JDT 2452400.5 Williams M 149.46427 (2000.0) P Q n 0.23828562 Peri. 81.05685 -0.53661901 -0.82091394 a 2.5767413 Node 43.32158 +0.61809472 -0.53995618 e 0.0845982 Incl. 16.53787 +0.57445536 -0.18586991 P 4.14 H 6.74 G 0.15 U 0 From 946 observations at 54 oppositions, 1850-2000, mean residual 0".77.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 04 26 20 09.27 -35 27.5 2.431 2.765 98.5 21.1 11.9 2002 05 01 20 13.48 -35 53.9 2.370 2.767 102.4 20.8 11.8 2002 05 06 20 17.15 -36 22.9 2.310 2.769 106.4 20.5 11.8 2002 05 11 20 20.22 -36 54.6 2.251 2.771 110.5 20.0 11.7 2002 05 16 20 22.65 -37 29.0 2.195 2.773 114.6 19.4 11.6 2002 05 21 20 24.40 -38 06.1 2.141 2.774 118.8 18.6 11.6 2002 05 26 20 25.42 -38 45.5 2.090 2.776 123.1 17.8 11.5 2002 05 31 20 25.69 -39 27.1 2.042 2.778 127.5 16.8 11.4 2002 06 05 20 25.16 -40 10.4 1.998 2.779 131.8 15.8 11.3 2002 06 10 20 23.81 -40 54.8 1.958 2.781 136.2 14.6 11.2 2002 06 15 20 21.62 -41 39.5 1.923 2.782 140.4 13.4 11.2 2002 06 20 20 18.62 -42 23.6 1.893 2.784 144.5 12.2 11.1 2002 06 25 20 14.84 -43 05.9 1.869 2.785 148.3 11.1 11.0 2002 06 30 20 10.35 -43 45.5 1.850 2.786 151.6 10.0 10.9 2002 07 05 20 05.24 -44 21.3 1.837 2.787 154.2 9.1 10.9 2002 07 10 19 59.64 -44 52.2 1.830 2.788 155.7 8.6 10.9 2002 07 15 19 53.71 -45 17.4 1.830 2.789 156.0 8.5 10.9 2002 07 20 19 47.64 -45 36.1 1.836 2.790 155.1 8.8 10.9 2002 07 25 19 41.63 -45 48.2 1.848 2.791 153.0 9.5 10.9 2002 07 30 19 35.85 -45 53.6 1.866 2.792 150.0 10.5 11.0 2002 08 04 19 30.48 -45 52.4 1.890 2.792 146.4 11.6 11.1 2002 08 09 19 25.68 -45 45.2 1.920 2.793 142.5 12.8 11.1 2002 08 14 19 21.57 -45 32.4 1.954 2.793 138.3 13.9 11.2 2002 08 19 19 18.25 -45 14.9 1.994 2.794 134.1 15.1 11.3 2002 08 24 19 15.76 -44 53.4 2.037 2.794 129.8 16.2 11.4 2002 08 29 19 14.13 -44 28.6 2.085 2.794 125.4 17.1 11.5 2002 09 03 19 13.36 -44 01.2 2.136 2.795 121.1 18.0 11.6 2002 09 08 19 13.43 -43 31.6 2.190 2.795 116.9 18.8 11.6 2002 09 13 19 14.32 -43 00.4 2.247 2.795 112.8 19.4 11.7 2002 09 18 19 15.98 -42 28.0 2.306 2.795 108.7 19.9 11.8 2002 09 23 19 18.36 -41 54.5 2.366 2.795 104.7 20.3 11.9
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