軌道要素
The following orbital elements are taken from MPC 68902:
Epoch 2009 Sept. 6.0 TT = JDT 2455080.5
T 2009 Sept. 8.5758 TT MPC
q 2.918507 (2000.0) P Q
n 0.0483010 Peri. 209.2749 +0.9459633 -0.2359373
a 7.467334 Node 160.1393 +0.1743991 +0.9485162
e 0.609163 Incl. 40.9042 -0.2733832 -0.2113068
P 20.4
From 320 observations 2009 Aug. 31-2010 Feb. 18, mean residual 0".4.
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