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IAU Minor Planet Center

Minor Planet Center

(89) Julia

Orbital Elements

The following orbital elements are taken from MPC 30777:
   (89) Julia
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5                  Goffin
M 341.37502              (2000.0)            P               Q
n   0.24193150     Peri.   44.77161     +0.97736897     +0.04084011
a   2.5507884      Node   311.68927     -0.15143713     +0.82017248
e   0.1813414      Incl.   16.13784     +0.14770473     +0.57065681
P   4.07           H    6.60          G   0.15           U   0
From 722 observations at 59 oppositions, 1866-1995, 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.

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
 
2001 08 09    02 22.88   +32 03.7    1.804    2.105    92.3    28.8    10.8
2001 08 14    02 28.57   +33 17.5    1.757    2.109    95.4    28.6    10.7
2001 08 19    02 33.77   +34 29.9    1.711    2.112    98.5    28.3    10.6
2001 08 24    02 38.41   +35 40.6    1.665    2.116   101.7    27.9    10.6
2001 08 29    02 42.43   +36 49.3    1.621    2.120   105.0    27.4    10.5
2001 09 03    02 45.76   +37 55.7    1.578    2.125   108.5    26.8    10.4
2001 09 08    02 48.32   +38 59.5    1.536    2.129   112.0    26.0    10.4
2001 09 13    02 50.03   +40 00.3    1.496    2.134   115.7    25.1    10.3
2001 09 18    02 50.81   +40 57.2    1.459    2.140   119.4    24.2    10.2
2001 09 23    02 50.61   +41 49.4    1.424    2.145   123.3    23.0    10.1
2001 09 28    02 49.41   +42 36.2    1.392    2.151   127.2    21.8    10.0
2001 10 03    02 47.18   +43 16.5    1.363    2.157   131.1    20.5    10.0
2001 10 08    02 43.98   +43 49.2    1.337    2.163   135.0    19.1     9.9
2001 10 13    02 39.86   +44 13.3    1.316    2.169   138.9    17.6     9.8
2001 10 18    02 34.95   +44 27.7    1.299    2.176   142.5    16.2     9.7
2001 10 23    02 29.46   +44 31.6    1.287    2.183   145.8    14.9     9.7
2001 10 28    02 23.61   +44 24.8    1.280    2.190   148.5    13.7     9.6
2001 11 02    02 17.66   +44 07.4    1.278    2.197   150.5    12.9     9.6
2001 11 07    02 11.88   +43 39.9    1.282    2.204   151.5    12.4     9.6
2001 11 12    02 06.50   +43 03.5    1.291    2.212   151.4    12.4     9.6
2001 11 17    02 01.75   +42 19.5    1.307    2.219   150.2    12.8     9.7
2001 11 22    01 57.81   +41 29.8    1.327    2.227   148.0    13.6     9.7
2001 11 27    01 54.79   +40 36.4    1.353    2.235   145.1    14.6     9.8
2001 12 02    01 52.76   +39 41.0    1.385    2.244   141.7    15.8     9.9
2001 12 07    01 51.72   +38 45.5    1.421    2.252   138.0    17.0    10.0
2001 12 12    01 51.68   +37 51.1    1.462    2.261   134.1    18.2    10.1
2001 12 17    01 52.60   +36 59.0    1.507    2.269   130.0    19.4    10.3
2001 12 22    01 54.43   +36 10.2    1.557    2.278   126.0    20.5    10.4
2001 12 27    01 57.10   +35 25.4    1.609    2.287   121.9    21.4    10.5
2002 01 01    02 00.54   +34 44.8    1.665    2.296   117.9    22.2    10.6
2002 01 06    02 04.69   +34 08.6    1.724    2.305   113.9    23.0    10.7

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