IAU Minor Planet Center

(18) Melpomene

Orbital Elements

   (18) Melpomene
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5  (M-c)          Bowell
M  84.00444              (2000.0)            P               Q
n   0.28346509     Peri.  227.65843     +0.94410712     -0.31811829
a   2.2951073      Node   150.57939     +0.32963648     +0.91012103
e   0.2180687      Incl.   10.12875     +0.00123792     +0.26548157
P   3.48           H    6.51          G   0.25
From 2877 observations at 51 oppositions, 1870-1993, mean residual 0".52.

These orbital elements are also available in forms suitable for loading into a number of popular planetarium-type software programs.

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1999 12 08    08 18.40   +07 53.8    1.386    2.151   129.5    20.7     9.8
1999 12 13    08 16.80   +07 57.8    1.355    2.164   134.7    18.9     9.7
1999 12 18    08 14.34   +08 07.3    1.327    2.177   140.2    16.8     9.6
1999 12 23    08 11.10   +08 22.3    1.304    2.189   145.9    14.6     9.5
1999 12 28    08 07.14   +08 42.9    1.287    2.202   151.6    12.3     9.4
2000 01 02    08 02.58   +09 08.8    1.275    2.215   157.3     9.9     9.3
2000 01 07    07 57.56   +09 39.5    1.269    2.227   162.7     7.5     9.2
2000 01 12    07 52.25   +10 14.3    1.270    2.240   167.4     5.5     9.2
2000 01 17    07 46.85   +10 52.3    1.277    2.252   169.9     4.4     9.1
2000 01 22    07 41.56   +11 32.5    1.292    2.265   168.6     4.9     9.2
2000 01 27    07 36.55   +12 14.0    1.313    2.278   164.5     6.6     9.3
2000 02 01    07 31.99   +12 55.8    1.341    2.290   159.4     8.7     9.5
2000 02 06    07 28.02   +13 37.1    1.376    2.302   153.9    10.9     9.6
2000 02 11    07 24.74   +14 17.1    1.416    2.315   148.3    13.0     9.8
2000 02 16    07 22.25   +14 55.2    1.462    2.327   142.8    14.9     9.9
2000 02 21    07 20.57   +15 31.0    1.513    2.339   137.4    16.6    10.0
2000 02 26    07 19.70   +16 04.3    1.568    2.351   132.2    18.2    10.2
2000 03 02    07 19.65   +16 34.8    1.628    2.363   127.2    19.5    10.3
2000 03 07    07 20.39   +17 02.3    1.691    2.375   122.4    20.7    10.4
2000 03 12    07 21.88   +17 26.9    1.756    2.387   117.7    21.6    10.5
2000 03 17    07 24.08   +17 48.5    1.824    2.398   113.2    22.4    10.7
2000 03 22    07 26.93   +18 07.0    1.895    2.410   108.9    23.0    10.8
2000 03 27    07 30.37   +18 22.7    1.966    2.421   104.8    23.5    10.9
2000 04 01    07 34.37   +18 35.4    2.039    2.433   100.7    23.8    11.0
2000 04 06    07 38.86   +18 45.2    2.113    2.444    96.8    24.0    11.1

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