(128) Nemesis

Orbital Elements

The following orbital elements are taken from MPC 25186:

  (128) Nemesis
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5                  Goffin
M  86.42924              (2000.0)            P               Q
n   0.21623018     Peri.  302.97179     +0.93810938     -0.32974012
a   2.7491083      Node    76.47252     +0.34285323     +0.84087134
e   0.1281173      Incl.    6.25524     +0.04901484     +0.42919324
P   4.56           H    7.49          G   0.15           U   0
From 353 observations at 64 oppositions, 1872-1994, mean residual 1".01.

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
2000 12 22    06 57.33   +26 28.8    1.671    2.639   167.1     4.8    11.1
2000 12 27    06 52.29   +26 47.5    1.667    2.646   172.7     2.7    11.0
2001 01 01    06 47.09   +27 04.7    1.670    2.652   175.9     1.5    10.9
2001 01 06    06 41.91   +27 19.9    1.681    2.659   172.3     2.8    11.0
2001 01 11    06 36.91   +27 33.0    1.699    2.665   166.7     4.9    11.2
2001 01 16    06 32.25   +27 43.9    1.724    2.672   160.7     7.0    11.3
2001 01 21    06 28.07   +27 52.6    1.755    2.679   154.8     9.0    11.5
2001 01 26    06 24.47   +27 59.3    1.793    2.685   149.0    10.9    11.6
2001 01 31    06 21.54   +28 04.2    1.837    2.692   143.3    12.6    11.7
2001 02 05    06 19.35   +28 07.4    1.886    2.699   137.8    14.2    11.8
2001 02 10    06 17.92   +28 09.4    1.939    2.706   132.5    15.6    11.9

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