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IAU Minor Planet Center

Minor Planet Center

(17) Thetis

Orbital Elements

The following orbital elements are taken from MPC 24548:
   (17) Thetis
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5  (M-c)          Bowell
M 327.20936              (2000.0)            P               Q
n   0.25391849     Peri.  135.55349     -0.15032497     +0.98546721
a   2.4698647      Node   125.64412     -0.93201007     -0.11457120
e   0.1360186      Incl.    5.58575     -0.32978725     -0.12541061
P   3.88           H    7.76          G   0.15
From 570 observations at 63 oppositions, 1884-1994, mean residual 0".76.
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 03 17    16 42.64   -15 05.4    1.698    2.184   105.4    26.1    11.8
2000 03 22    16 47.33   -15 01.8    1.639    2.180   109.2    25.6    11.7
2000 03 27    16 51.43   -14 56.4    1.581    2.176   113.1    24.9    11.6
2000 04 01    16 54.86   -14 49.4    1.525    2.172   117.2    24.2    11.5
2000 04 06    16 57.59   -14 41.2    1.471    2.168   121.4    23.2    11.4
2000 04 11    16 59.56   -14 32.0    1.420    2.164   125.8    22.1    11.3
2000 04 16    17 00.75   -14 22.0    1.372    2.161   130.3    20.7    11.1
2000 04 21    17 01.13   -14 11.7    1.327    2.158   135.0    19.2    11.0
2000 04 26    17 00.68   -14 01.2    1.286    2.155   139.8    17.5    10.9
2000 05 01    16 59.41   -13 50.9    1.248    2.152   144.8    15.7    10.8
2000 05 06    16 57.33   -13 41.2    1.216    2.149   149.9    13.6    10.6
2000 05 11    16 54.50   -13 32.5    1.188    2.147   155.1    11.4    10.5
2000 05 16    16 51.03   -13 25.2    1.165    2.145   160.3     9.1    10.4
2000 05 21    16 47.02   -13 19.6    1.148    2.142   165.2     6.9    10.2
2000 05 26    16 42.62   -13 16.0    1.137    2.141   169.3     5.0    10.1
2000 05 31    16 37.98   -13 14.7    1.131    2.139   171.2     4.1    10.1
2000 06 05    16 33.29   -13 16.1    1.132    2.138   169.6     4.9    10.1
2000 06 10    16 28.74   -13 20.3    1.138    2.137   165.5     6.8    10.2
2000 06 15    16 24.50   -13 27.5    1.150    2.136   160.7     9.1    10.3
2000 06 20    16 20.72   -13 37.7    1.168    2.135   155.5    11.4    10.4
2000 06 25    16 17.53   -13 50.8    1.191    2.134   150.4    13.6    10.6
2000 06 30    16 15.02   -14 06.7    1.218    2.134   145.3    15.8    10.7
2000 07 05    16 13.27   -14 25.3    1.251    2.134   140.3    17.7    10.8
2000 07 10    16 12.33   -14 46.4    1.287    2.134   135.5    19.5    10.9
2000 07 15    16 12.20   -15 09.6    1.327    2.134   130.8    21.1    11.1
2000 07 20    16 12.89   -15 34.6    1.370    2.135   126.4    22.5    11.2
2000 07 25    16 14.37   -16 01.1    1.415    2.136   122.1    23.8    11.3
2000 07 30    16 16.63   -16 28.8    1.464    2.137   118.0    24.8    11.4
2000 08 04    16 19.62   -16 57.4    1.514    2.138   114.0    25.7    11.5
2000 08 09    16 23.31   -17 26.6    1.567    2.140   110.2    26.4    11.6
2000 08 14    16 27.67   -17 55.9    1.621    2.141   106.5    27.0    11.7
2000 08 19    16 32.63   -18 25.1    1.676    2.143   102.9    27.4    11.8
2000 08 24    16 38.16   -18 54.0    1.732    2.145    99.5    27.7    11.8

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