(14) Irene
Orbital Elements
The following orbital elements are taken from MPO 595(14) Irene Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Goffin M 41.91026 (2000.0) P Q n 0.23702504 Peri. 96.51674 -0.98610785 +0.05131572 a 2.5858692 Node 86.50665 -0.11164291 -0.90897968 e 0.1675871 Incl. 9.10679 +0.12299256 -0.41366972 P 4.16 H 6.30 G 0.15 U 0 From 1765 observations at 84 oppositions, 1851-2000, mean residual 0".54.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 2001 03 12 17 19.47 -17 36.7 2.025 2.273 91.2 25.9 10.8 2001 03 17 17 25.08 -17 46.1 1.971 2.280 94.8 25.8 10.7 2001 03 22 17 30.16 -17 54.7 1.917 2.288 98.5 25.5 10.7 2001 03 27 17 34.66 -18 02.9 1.864 2.295 102.4 25.1 10.6 2001 04 01 17 38.54 -18 10.9 1.812 2.303 106.4 24.6 10.5 2001 04 06 17 41.76 -18 19.0 1.761 2.310 110.5 23.9 10.5 2001 04 11 17 44.29 -18 27.4 1.712 2.318 114.8 23.1 10.4 2001 04 16 17 46.07 -18 36.3 1.664 2.326 119.3 22.1 10.3 2001 04 21 17 47.07 -18 46.0 1.619 2.334 123.9 20.9 10.2 2001 04 26 17 47.27 -18 56.7 1.577 2.342 128.7 19.6 10.1 2001 05 01 17 46.65 -19 08.3 1.539 2.350 133.7 18.1 10.0 2001 05 06 17 45.22 -19 21.0 1.504 2.359 138.9 16.3 9.9 2001 05 11 17 43.01 -19 34.8 1.473 2.367 144.2 14.5 9.8 2001 05 16 17 40.04 -19 49.6 1.447 2.376 149.7 12.4 9.7 2001 05 21 17 36.38 -20 05.2 1.427 2.384 155.4 10.2 9.6 2001 05 26 17 32.14 -20 21.4 1.412 2.393 161.1 7.9 9.5 2001 05 31 17 27.43 -20 38.0 1.403 2.401 167.0 5.5 9.4 2001 06 05 17 22.42 -20 54.7 1.400 2.410 172.8 3.0 9.2 2001 06 10 17 17.26 -21 11.4 1.404 2.419 177.9 0.9 9.1 2001 06 15 17 12.10 -21 27.8 1.415 2.428 174.7 2.2 9.2 2001 06 20 17 07.12 -21 43.8 1.432 2.437 168.9 4.6 9.4 2001 06 25 17 02.47 -21 59.5 1.455 2.446 163.2 6.9 9.6 2001 06 30 16 58.29 -22 14.8 1.485 2.455 157.5 9.1 9.7 2001 07 05 16 54.69 -22 29.9 1.520 2.464 151.9 11.2 9.9 2001 07 10 16 51.75 -22 44.7 1.561 2.473 146.5 13.1 10.0 2001 07 15 16 49.52 -22 59.5 1.606 2.482 141.2 14.9 10.1 2001 07 20 16 48.03 -23 14.3 1.657 2.491 136.2 16.4 10.3 2001 07 25 16 47.30 -23 29.1 1.711 2.500 131.2 17.8 10.4 2001 07 30 16 47.32 -23 44.1 1.769 2.509 126.5 19.0 10.5 2001 08 04 16 48.08 -23 59.1 1.830 2.518 121.9 20.0 10.6 2001 08 09 16 49.55 -24 14.2 1.894 2.527 117.5 20.8 10.7 2001 08 14 16 51.67 -24 29.4 1.960 2.536 113.2 21.5 10.8 2001 08 19 16 54.44 -24 44.4 2.029 2.546 109.1 22.1 10.9 2001 08 24 16 57.80 -24 59.3 2.099 2.555 105.0 22.5 11.0 2001 08 29 17 01.72 -25 13.9 2.170 2.564 101.1 22.7 11.1 2001 09 03 17 06.15 -25 28.0 2.242 2.573 97.3 22.9 11.2 2001 09 08 17 11.06 -25 41.6 2.315 2.582 93.6 22.9 11.3
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