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IAU Minor Planet Center

Minor Planet Center

(80) Sappho

Orbital Elements

The following orbital elements are taken from MPC 23111:
   (80) Sappho
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5                 Goffin
M 274.40095              (2000.0)            P               Q
n   0.28326200     Peri.  139.22411     +0.99477879     +0.03826289
a   2.2962042      Node   218.89430     -0.06394515     +0.95620209
e   0.2000114      Incl.    8.66638     +0.07953728     +0.29019564
P   3.48           H    7.98          G   0.15
From 820 observations at 71 oppositions, 1864-1993, mean residual 0".98.
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 05 06    19 41.25   -12 12.4    1.625    2.192   110.5    25.5    11.9
2000 05 11    19 44.62   -11 31.6    1.562    2.181   114.3    25.0    11.8
2000 05 16    19 47.37   -10 50.7    1.500    2.169   118.2    24.3    11.7
2000 05 21    19 49.45   -10 10.1    1.441    2.158   122.2    23.4    11.5
2000 05 26    19 50.82   -09 30.1    1.385    2.146   126.3    22.3    11.4
2000 05 31    19 51.44   -08 51.3    1.331    2.135   130.6    21.1    11.3
2000 06 05    19 51.28   -08 14.1    1.281    2.123   135.0    19.8    11.1
2000 06 10    19 50.33   -07 39.1    1.235    2.112   139.5    18.2    11.0
2000 06 15    19 48.61   -07 06.8    1.192    2.101   144.0    16.5    10.9
2000 06 20    19 46.13   -06 37.9    1.154    2.090   148.6    14.7    10.7
2000 06 25    19 42.94   -06 12.8    1.121    2.078   153.0    12.8    10.6
2000 06 30    19 39.11   -05 52.3    1.093    2.067   157.1    11.0    10.4
2000 07 05    19 34.77   -05 36.9    1.070    2.057   160.7     9.4    10.3
2000 07 10    19 30.06   -05 26.8    1.052    2.046   163.0     8.4    10.2
2000 07 15    19 25.17   -05 22.2    1.040    2.035   163.5     8.1    10.2
2000 07 20    19 20.26   -05 23.2    1.034    2.025   162.1     8.9    10.2
2000 07 25    19 15.53   -05 29.6    1.033    2.014   159.1    10.3    10.2
2000 07 30    19 11.16   -05 40.9    1.037    2.004   155.2    12.3    10.3
2000 08 04    19 07.33   -05 56.7    1.046    1.994   150.8    14.4    10.4
2000 08 09    19 04.19   -06 16.2    1.061    1.985   146.2    16.5    10.5
2000 08 14    19 01.84   -06 38.8    1.079    1.975   141.5    18.6    10.6
2000 08 19    19 00.36   -07 03.4    1.102    1.966   136.9    20.6    10.7
2000 08 24    18 59.79   -07 29.6    1.128    1.957   132.3    22.5    10.8
2000 08 29    19 00.16   -07 56.4    1.157    1.948   127.9    24.1    10.9
2000 09 03    19 01.47   -08 23.3    1.189    1.939   123.7    25.6    11.0
2000 09 08    19 03.70   -08 49.6    1.223    1.931   119.6    27.0    11.1
2000 09 13    19 06.81   -09 14.7    1.260    1.923   115.7    28.1    11.1
2000 09 18    19 10.75   -09 38.2    1.298    1.915   111.9    29.1    11.2
2000 09 23    19 15.48   -09 59.6    1.337    1.908   108.3    30.0    11.3
2000 09 28    19 20.95   -10 18.5    1.378    1.901   104.8    30.6    11.4
2000 10 03    19 27.11   -10 34.8    1.420    1.894   101.5    31.2    11.5
2000 10 08    19 33.90   -10 48.0    1.463    1.887    98.3    31.6    11.5
2000 10 13    19 41.26   -10 57.9    1.507    1.881    95.2    31.9    11.6

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