軌道要素
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5
T 2011 Aug. 20.95952 TT                                 MPC
q   2.5966638            (2000.0)            P               Q
n   0.09364426     Peri.  228.21253     +0.59920867     -0.80010734
a   4.8026610      Node   185.20798     +0.79493092     +0.59874420
e   0.4593281      Incl.   17.88630     +0.09504634     +0.03651885
P  10.5
From 139 observations 1991 Jan. 8-2011 Nov. 4, mean residual 0".8.
     Nongravitational parameters Y1 = -0.09, Y2 = -0.0529.
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