(80) Sappho
Orbital Elements
The following orbital elements are taken from MPC 23111:(80) Sappho Epoch 2003 Dec. 27.0 TT = JDT 2453000.5 Goffin M 311.14905 (2000.0) P Q n 0.28338517 Peri. 139.19764 +0.99473166 +0.03984526 a 2.2955388 Node 218.82933 -0.06541436 +0.95612296 e 0.2011371 Incl. 8.66410 +0.07892968 +0.29024342 P 3.48 H 7.98 G 0.15 From 820 observations at 71 oppositions, 1864-1993, mean residual 0".98.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 2004 08 23 03 48.64 +22 10.3 1.571 1.873 90.3 32.7 11.7 2004 08 28 03 56.67 +22 15.2 1.527 1.879 93.3 32.5 11.6 2004 09 02 04 04.19 +22 16.0 1.484 1.885 96.4 32.1 11.6 2004 09 07 04 11.13 +22 12.8 1.440 1.892 99.7 31.7 11.5 2004 09 12 04 17.44 +22 05.5 1.397 1.899 103.1 31.1 11.4 2004 09 17 04 23.03 +21 54.3 1.355 1.906 106.8 30.3 11.3 2004 09 22 04 27.85 +21 39.1 1.314 1.914 110.6 29.4 11.3 2004 09 27 04 31.84 +21 20.0 1.274 1.921 114.6 28.3 11.2 2004 10 02 04 34.93 +20 57.2 1.236 1.929 118.9 27.0 11.1 2004 10 07 04 37.09 +20 30.6 1.199 1.938 123.4 25.5 11.0 2004 10 12 04 38.24 +20 00.4 1.165 1.947 128.1 23.8 10.9 2004 10 17 04 38.37 +19 26.8 1.134 1.956 133.1 21.9 10.8 2004 10 22 04 37.47 +18 49.9 1.107 1.965 138.3 19.7 10.7 2004 10 27 04 35.59 +18 10.3 1.083 1.974 143.7 17.3 10.5 2004 11 01 04 32.79 +17 28.2 1.064 1.984 149.4 14.8 10.4 2004 11 06 04 29.15 +16 44.5 1.050 1.994 155.2 12.1 10.3 2004 11 11 04 24.82 +15 59.8 1.041 2.004 161.0 9.3 10.2 2004 11 16 04 19.98 +15 15.1 1.039 2.014 166.7 6.5 10.1 2004 11 21 04 14.85 +14 31.5 1.042 2.024 171.4 4.2 10.0 2004 11 26 04 09.65 +13 50.2 1.052 2.035 172.9 3.4 10.0 2004 12 01 04 04.60 +13 12.2 1.068 2.046 169.5 5.0 10.1 2004 12 06 03 59.89 +12 38.3 1.090 2.056 164.3 7.4 10.3 2004 12 11 03 55.70 +12 09.4 1.119 2.067 158.6 10.0 10.4 2004 12 16 03 52.17 +11 45.9 1.153 2.078 152.9 12.4 10.6 2004 12 21 03 49.41 +11 28.1 1.193 2.090 147.3 14.7 10.8 2004 12 26 03 47.47 +11 15.9 1.238 2.101 141.9 16.8 10.9 2004 12 31 03 46.38 +11 09.1 1.287 2.112 136.6 18.6 11.1 2005 01 05 03 46.13 +11 07.2 1.340 2.124 131.6 20.3 11.3 2005 01 10 03 46.70 +11 10.0 1.396 2.135 126.7 21.7 11.4 2005 01 15 03 48.07 +11 16.8 1.456 2.147 122.1 22.9 11.5 2005 01 20 03 50.20 +11 27.2 1.518 2.158 117.6 23.8 11.7 2005 01 25 03 53.02 +11 40.5 1.583 2.170 113.3 24.6 11.8 2005 01 30 03 56.49 +11 56.3 1.650 2.181 109.2 25.2 11.9
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