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IAU Minor Planet Center

Minor Planet Center

(24) Themis

Orbital Elements

The following orbital elements are taken from MPO 53552
    (24) Themis
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5                 Goffin
M 328.35947              (2000.0)            P               Q
n   0.17791088     Peri.  107.89566     -0.80788481     -0.58928891
a   3.1308893      Node    35.99891     +0.53556758     -0.73962459
e   0.1319198      Incl.    0.75953     +0.24594612     -0.32510621
P   5.54           H    7.08          G   0.19           U   0
From 1795 observations at 108 oppositions, 1853-2003, mean residual 0".56.
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
2008 01 01    08 40.76   +19 29.3    1.841    2.750   152.3     9.6    11.2
2008 01 06    08 37.59   +19 42.3    1.810    2.747   158.2     7.6    11.1
2008 01 11    08 33.95   +19 56.7    1.786    2.745   164.2     5.6    11.0
2008 01 16    08 29.94   +20 11.7    1.768    2.742   170.2     3.5    10.8
2008 01 21    08 25.69   +20 27.0    1.757    2.740   176.2     1.4    10.7
2008 01 26    08 21.32   +20 41.8    1.754    2.738   177.2     1.0    10.6
2008 01 31    08 16.98   +20 55.8    1.758    2.735   171.3     3.1    10.8
2008 02 05    08 12.80   +21 08.6    1.768    2.733   165.2     5.3    10.9
2008 02 10    08 08.91   +21 19.8    1.786    2.731   159.3     7.4    11.0
2008 02 15    08 05.45   +21 29.1    1.811    2.730   153.4     9.3    11.1
2008 02 20    08 02.51   +21 36.4    1.841    2.728   147.7    11.2    11.2
2008 02 25    08 00.16   +21 41.7    1.877    2.726   142.1    12.9    11.3
2008 03 01    07 58.45   +21 44.9    1.918    2.725   136.6    14.5    11.4
2008 03 06    07 57.42   +21 46.0    1.964    2.724   131.4    15.9    11.5
2008 03 11    07 57.08   +21 45.2    2.014    2.723   126.3    17.1    11.6
2008 03 16    07 57.43   +21 42.4    2.067    2.721   121.4    18.2    11.7
2008 03 21    07 58.46   +21 37.7    2.123    2.721   116.7    19.1    11.8

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