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IAU Minor Planet Center

Minor Planet Center

(13) Egeria

Orbital Elements

The following orbital elements are taken from MPO 2601
    (13) Egeria
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 Williams
M   1.77042              (2000.0)            P               Q
n   0.23833656     Peri.   80.78229     -0.53214815     -0.82384103
a   2.5763742      Node    43.28438     +0.62095603     -0.53650325
e   0.0858802      Incl.   16.54155     +0.57552754     -0.18289403
P   4.14           H    6.74          G   0.15           U   0
From 946 observations at 54 oppositions, 1850-2000, mean residual 0".77.
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    11 11.87   +30 36.0    1.696    2.359   121.0    20.9    10.8
2009 01 06    11 13.46   +31 09.7    1.651    2.360   125.2    19.9    10.7
2009 01 11    11 14.19   +31 46.7    1.610    2.361   129.5    18.8    10.6
2009 01 16    11 14.04   +32 26.1    1.572    2.362   133.8    17.5    10.5
2009 01 21    11 12.96   +33 07.1    1.539    2.363   137.9    16.2    10.4
2009 01 26    11 10.96   +33 48.5    1.510    2.365   142.0    14.9    10.3
2009 01 31    11 08.05   +34 29.0    1.486    2.366   145.7    13.6    10.3
2009 02 05    11 04.30   +35 06.8    1.468    2.368   148.9    12.4    10.2
2009 02 10    10 59.82   +35 40.4    1.455    2.369   151.4    11.5    10.1
2009 02 15    10 54.74   +36 08.3    1.449    2.371   152.9    10.9    10.1
2009 02 20    10 49.22   +36 29.3    1.448    2.373   153.3    10.8    10.1
2009 02 25    10 43.46   +36 42.2    1.453    2.375   152.4    11.2    10.1
2009 03 02    10 37.69   +36 46.3    1.465    2.377   150.3    11.9    10.2
2009 03 07    10 32.11   +36 41.3    1.482    2.379   147.5    13.0    10.2
2009 03 12    10 26.92   +36 27.4    1.505    2.382   144.0    14.2    10.3
2009 03 17    10 22.29   +36 05.2    1.533    2.384   140.2    15.5    10.4
2009 03 22    10 18.32   +35 35.2    1.566    2.387   136.1    16.8    10.5
2009 03 27    10 15.13   +34 58.3    1.604    2.389   132.0    18.1    10.6
2009 04 01    10 12.75   +34 15.4    1.646    2.392   127.8    19.3    10.7
2009 04 06    10 11.21   +33 27.5    1.691    2.395   123.6    20.4    10.8
2009 04 11    10 10.50   +32 35.4    1.740    2.398   119.5    21.3    10.9
2009 04 16    10 10.58   +31 39.8    1.791    2.401   115.5    22.2    11.0
2009 04 21    10 11.40   +30 41.5    1.845    2.404   111.6    22.9    11.1
2009 04 26    10 12.93   +29 40.9    1.901    2.407   107.7    23.5    11.2
2009 05 01    10 15.10   +28 38.5    1.959    2.410   104.0    23.9    11.2
2009 05 06    10 17.87   +27 34.6    2.019    2.413   100.3    24.3    11.3
2009 05 11    10 21.16   +26 29.6    2.079    2.417    96.8    24.5    11.4

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