(42) Isis
Orbital Elements
The following orbital elements are taken from MPO 9657(42) Isis Epoch 2005 Jan. 30.0 TT = JDT 2453400.5 Goffin M 301.08415 (2000.0) P Q n 0.25832512 Peri. 236.60337 +0.76802832 +0.62317402 a 2.4416962 Node 84.40313 -0.52722993 +0.74609999 e 0.2225741 Incl. 8.52900 -0.36353969 +0.23449722 P 3.82 H 7.53 G 0.15 U 0 From 1078 observations at 79 oppositions, 1856-2000, mean residual 0".53.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 04 11 19 19.71 -21 23.5 1.795 2.095 92.6 28.5 11.7 2005 04 16 19 27.45 -21 25.1 1.729 2.084 95.8 28.6 11.6 2005 04 21 19 34.85 -21 27.4 1.664 2.074 98.9 28.6 11.5 2005 04 26 19 41.88 -21 31.0 1.601 2.063 102.2 28.5 11.4 2005 05 01 19 48.51 -21 36.1 1.538 2.053 105.6 28.2 11.3 2005 05 06 19 54.68 -21 43.3 1.478 2.043 109.0 27.8 11.2 2005 05 11 20 00.34 -21 53.0 1.418 2.033 112.6 27.3 11.1 2005 05 16 20 05.46 -22 05.6 1.361 2.023 116.3 26.6 10.9 2005 05 21 20 09.98 -22 21.7 1.306 2.014 120.1 25.8 10.8 2005 05 26 20 13.85 -22 41.6 1.253 2.005 124.1 24.7 10.7 2005 05 31 20 17.03 -23 05.6 1.203 1.996 128.3 23.5 10.5 2005 06 05 20 19.45 -23 34.1 1.156 1.988 132.6 22.1 10.4 2005 06 10 20 21.06 -24 07.2 1.112 1.980 137.1 20.4 10.3 2005 06 15 20 21.82 -24 44.9 1.072 1.972 141.7 18.6 10.1 2005 06 20 20 21.72 -25 26.9 1.035 1.964 146.5 16.6 10.0 2005 06 25 20 20.76 -26 12.6 1.003 1.957 151.4 14.4 9.8 2005 06 30 20 18.95 -27 01.2 0.976 1.951 156.4 12.0 9.7 2005 07 05 20 16.34 -27 51.7 0.954 1.944 161.3 9.7 9.5 2005 07 10 20 13.04 -28 42.7 0.936 1.938 165.8 7.4 9.4 2005 07 15 20 09.18 -29 32.7 0.925 1.933 169.3 5.6 9.2 2005 07 20 20 04.98 -30 20.1 0.918 1.927 170.2 5.1 9.2 2005 07 25 20 00.62 -31 03.5 0.917 1.923 168.0 6.3 9.2 2005 07 30 19 56.33 -31 41.8 0.922 1.918 164.0 8.4 9.3 2005 08 04 19 52.33 -32 14.1 0.931 1.914 159.2 10.9 9.5 2005 08 09 19 48.87 -32 39.8 0.946 1.911 154.2 13.4 9.6 2005 08 14 19 46.12 -32 58.8 0.966 1.907 149.2 15.8 9.7 2005 08 19 19 44.24 -33 11.3 0.989 1.905 144.3 18.1 9.8 2005 08 24 19 43.29 -33 17.6 1.017 1.903 139.5 20.2 10.0 2005 08 29 19 43.35 -33 18.2 1.048 1.901 134.9 22.1 10.1 2005 09 03 19 44.41 -33 13.4 1.083 1.899 130.5 23.8 10.2 2005 09 08 19 46.49 -33 03.8 1.120 1.899 126.3 25.3 10.3 2005 09 13 19 49.54 -32 49.8 1.160 1.898 122.2 26.6 10.4 2005 09 18 19 53.49 -32 31.7 1.202 1.898 118.4 27.8 10.6 2005 09 23 19 58.27 -32 09.7 1.246 1.899 114.7 28.7 10.7 2005 09 28 20 03.81 -31 44.2 1.292 1.900 111.2 29.5 10.8 2005 10 03 20 10.03 -31 15.2 1.340 1.901 107.8 30.1 10.9 2005 10 08 20 16.88 -30 42.9 1.389 1.903 104.5 30.6 11.0 2005 10 13 20 24.27 -30 07.4 1.439 1.905 101.3 30.9 11.0 2005 10 18 20 32.13 -29 28.7 1.490 1.908 98.3 31.1 11.1 2005 10 23 20 40.39 -28 47.0 1.542 1.911 95.3 31.2 11.2 2005 10 28 20 49.00 -28 02.4 1.595 1.915 92.4 31.2 11.3
