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IAU Minor Planet Center

Minor Planet Center

(385) Ilmatar

Orbital Elements

The following orbital elements are taken from MPO 77281
   (385) Ilmatar
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 Goffin
M 312.74058              (2000.0)            P               Q
n   0.20497018     Peri.  187.97217     -0.99197158     -0.11142637
a   2.8488894      Node   345.22411     +0.12505983     -0.79415138
e   0.1260134      Incl.   13.56161     +0.01877305     -0.59741757
P   4.81           H    7.49          G   0.15           U   0
From 780 observations at 60 oppositions, 1894-2005, 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.

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 01 01    09 29.59   +29 26.7    1.746    2.599   142.9    13.2    11.5
2009 01 06    09 26.64   +29 38.0    1.706    2.594   148.2    11.5    11.4
2009 01 11    09 22.95   +29 48.9    1.672    2.589   153.4     9.8    11.3
2009 01 16    09 18.61   +29 58.4    1.644    2.584   158.4     8.1    11.2
2009 01 21    09 13.70   +30 05.8    1.623    2.580   162.9     6.4    11.1
2009 01 26    09 08.38   +30 10.1    1.608    2.575   166.1     5.3    11.0
2009 01 31    09 02.80   +30 10.6    1.601    2.570   167.1     4.9    11.0
2009 02 05    08 57.17   +30 06.9    1.600    2.566   165.3     5.6    11.0
2009 02 10    08 51.66   +29 58.5    1.606    2.562   161.6     7.0    11.1
2009 02 15    08 46.44   +29 45.5    1.619    2.557   156.9     8.7    11.2
2009 02 20    08 41.67   +29 28.0    1.639    2.553   151.7    10.6    11.3
2009 02 25    08 37.49   +29 06.3    1.665    2.549   146.5    12.4    11.4
2009 03 02    08 34.00   +28 40.9    1.696    2.545   141.2    14.1    11.5
2009 03 07    08 31.28   +28 12.2    1.733    2.542   136.0    15.7    11.6
2009 03 12    08 29.35   +27 40.8    1.773    2.538   130.9    17.2    11.7
2009 03 17    08 28.24   +27 07.2    1.818    2.534   126.0    18.5    11.8
2009 03 22    08 27.92   +26 31.7    1.867    2.531   121.2    19.7    11.9

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