(42) Isis
Orbital Elements
The following orbital elements are taken from MPO 9657
(42) Isis
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 Goffin
M 302.72590 (2000.0) P Q
n 0.25842727 Peri. 236.65292 +0.76846069 +0.62263878
a 2.4410527 Node 84.39355 -0.52669863 +0.74646265
e 0.2233697 Incl. 8.52963 -0.36339609 +0.23476471
P 3.81 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 2009 05 31 22 43.02 -15 22.5 1.565 1.910 93.1 32.0 11.3 2009 06 05 22 51.51 -15 04.6 1.515 1.907 95.8 32.0 11.2 2009 06 10 22 59.65 -14 49.5 1.465 1.904 98.7 31.8 11.1 2009 06 15 23 07.41 -14 37.7 1.416 1.902 101.6 31.6 11.0 2009 06 20 23 14.74 -14 29.6 1.369 1.900 104.6 31.2 10.9 2009 06 25 23 21.59 -14 25.5 1.323 1.898 107.7 30.7 10.8 2009 06 30 23 27.92 -14 25.9 1.278 1.897 111.0 30.0 10.8 2009 07 05 23 33.69 -14 31.0 1.235 1.896 114.4 29.2 10.7 2009 07 10 23 38.84 -14 41.0 1.194 1.896 117.9 28.3 10.6 2009 07 15 23 43.31 -14 56.1 1.155 1.896 121.6 27.2 10.5 2009 07 20 23 47.05 -15 16.6 1.118 1.897 125.4 25.9 10.3 2009 07 25 23 49.99 -15 42.2 1.084 1.898 129.4 24.4 10.2 2009 07 30 23 52.09 -16 12.7 1.052 1.900 133.5 22.8 10.1 2009 08 04 23 53.32 -16 47.5 1.024 1.902 137.8 21.0 10.0 2009 08 09 23 53.65 -17 25.9 1.000 1.905 142.2 19.1 9.9 2009 08 14 23 53.08 -18 07.0 0.979 1.908 146.6 17.0 9.8 2009 08 19 23 51.63 -18 49.5 0.962 1.911 150.9 14.9 9.7 2009 08 24 23 49.36 -19 31.8 0.950 1.915 155.0 12.9 9.6 2009 08 29 23 46.37 -20 12.1 0.943 1.919 158.6 11.1 9.5 2009 09 03 23 42.82 -20 48.8 0.941 1.924 161.3 9.7 9.5 2009 09 08 23 38.86 -21 20.2 0.944 1.929 162.5 9.0 9.4 2009 09 13 23 34.70 -21 44.9 0.953 1.935 161.9 9.3 9.5 2009 09 18 23 30.53 -22 01.9 0.966 1.941 159.7 10.3 9.6 2009 09 23 23 26.56 -22 10.4 0.985 1.947 156.4 11.9 9.7 2009 09 28 23 23.00 -22 10.0 1.009 1.954 152.4 13.7 9.8 2009 10 03 23 19.98 -22 01.1 1.038 1.961 148.1 15.6 9.9 2009 10 08 23 17.62 -21 44.0 1.072 1.968 143.7 17.5 10.1 2009 10 13 23 16.00 -21 19.4 1.109 1.976 139.3 19.2 10.2 2009 10 18 23 15.16 -20 47.9 1.151 1.984 134.9 20.9 10.3 2009 10 23 23 15.13 -20 10.4 1.196 1.992 130.6 22.3 10.5 2009 10 28 23 15.88 -19 27.6 1.245 2.001 126.4 23.6 10.6 2009 11 02 23 17.40 -18 40.2 1.296 2.010 122.3 24.7 10.8 2009 11 07 23 19.62 -17 49.0 1.351 2.019 118.3 25.6 10.9 2009 11 12 23 22.49 -16 54.5 1.407 2.029 114.5 26.4 11.0 2009 11 17 23 25.98 -15 57.1 1.466 2.039 110.8 27.0 11.1 2009 11 22 23 30.03 -14 57.4 1.527 2.049 107.2 27.4 11.2 2009 11 27 23 34.58 -13 55.6 1.589 2.059 103.7 27.8 11.3 2009 12 02 23 39.58 -12 52.2 1.653 2.069 100.2 28.0 11.4 2009 12 07 23 44.99 -11 47.5 1.718 2.080 96.9 28.0 11.5 2009 12 12 23 50.76 -10 41.7 1.784 2.091 93.6 28.0 11.6 2009 12 17 23 56.86 -09 34.9 1.851 2.102 90.4 27.9 11.7
