(21) Lutetia
Orbital Elements
The following orbital elements are taken from MPO 2601(21) Lutetia Epoch 2003 Dec. 27.0 TT = JDT 2453000.5 Williams M 331.59207 (2000.0) P Q n 0.25936924 Peri. 250.29364 +0.87511101 +0.48103445 a 2.4351389 Node 80.92225 -0.42156364 +0.81135831 e 0.1637831 Incl. 3.06435 -0.23762327 +0.33211977 P 3.80 H 7.35 G 0.11 U 0 From 814 observations at 58 oppositions, 1866-2000, mean residual 0".67.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 03 02 33.23 +11 32.1 1.820 2.104 91.3 28.8 11.6 2004 08 08 02 39.16 +11 56.4 1.771 2.110 94.6 28.6 11.5 2004 08 13 02 44.61 +12 17.8 1.722 2.116 98.0 28.3 11.5 2004 08 18 02 49.53 +12 36.2 1.674 2.123 101.5 27.9 11.4 2004 08 23 02 53.88 +12 51.7 1.626 2.129 105.3 27.3 11.3 2004 08 28 02 57.61 +13 04.1 1.580 2.136 109.1 26.5 11.3 2004 09 02 03 00.66 +13 13.5 1.534 2.143 113.2 25.6 11.2 2004 09 07 03 02.99 +13 19.9 1.490 2.150 117.5 24.6 11.1 2004 09 12 03 04.55 +13 23.1 1.448 2.157 121.9 23.3 11.0 2004 09 17 03 05.28 +13 23.4 1.409 2.164 126.6 21.9 10.9 2004 09 22 03 05.17 +13 20.6 1.372 2.172 131.5 20.2 10.8 2004 09 27 03 04.21 +13 14.9 1.339 2.180 136.6 18.4 10.7 2004 10 02 03 02.41 +13 06.6 1.310 2.187 142.0 16.4 10.6 2004 10 07 02 59.79 +12 55.6 1.286 2.195 147.5 14.1 10.4 2004 10 12 02 56.43 +12 42.4 1.266 2.203 153.3 11.8 10.3 2004 10 17 02 52.42 +12 27.3 1.252 2.212 159.2 9.2 10.2 2004 10 22 02 47.89 +12 10.9 1.243 2.220 165.1 6.6 10.1 2004 10 27 02 43.01 +11 54.0 1.241 2.228 171.0 4.0 9.9 2004 11 01 02 37.96 +11 37.0 1.246 2.237 175.9 1.8 9.8 2004 11 06 02 32.91 +11 20.9 1.257 2.245 174.4 2.5 9.9 2004 11 11 02 28.04 +11 06.3 1.274 2.254 168.9 4.8 10.1 2004 11 16 02 23.53 +10 53.9 1.299 2.263 163.0 7.4 10.3 2004 11 21 02 19.52 +10 44.5 1.329 2.271 157.0 9.8 10.4 2004 11 26 02 16.14 +10 38.4 1.365 2.280 151.2 12.0 10.6 2004 12 01 02 13.45 +10 35.9 1.407 2.289 145.6 14.1 10.7 2004 12 06 02 11.50 +10 37.1 1.454 2.298 140.1 16.0 10.9 2004 12 11 02 10.32 +10 42.2 1.505 2.307 134.8 17.6 11.0 2004 12 16 02 09.91 +10 51.0 1.561 2.316 129.7 19.1 11.2 2004 12 21 02 10.27 +11 03.4 1.620 2.325 124.7 20.3 11.3 2004 12 26 02 11.35 +11 19.2 1.682 2.334 120.0 21.4 11.4 2004 12 31 02 13.13 +11 38.0 1.747 2.344 115.4 22.3 11.5 2005 01 05 02 15.54 +11 59.6 1.814 2.353 111.0 23.0 11.7 2005 01 10 02 18.57 +12 23.6 1.883 2.362 106.7 23.5 11.8
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