軌道要素
The following orbital elements are taken from MPC 56805:
Epoch 2009 Oct. 16.0 TT = JDT 2455120.5
T 2009 Oct. 12.4730 TT MPC
q 1.363483 (2000.0) P Q
n 0.1794480 Peri. 235.9620 +0.3841793 +0.9210448
a 3.112985 Node 56.7565 -0.8198963 +0.3721693
e 0.562001 Incl. 4.3816 -0.4244718 +0.1147453
P 5.49
From 695 observations 1987-2005, mean residual 0".7. Nongravitational
parameters A1 = +0.39, A2 = -0.0551.
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