軌道要素
The following orbital elements are taken from MPC 69908:
Epoch 2013 Jan. 28.0 TT = JDT 2456320.5
T 2013 Feb. 16.9812 TT MPC
q 1.525464 (2000.0) P Q
n 0.1781525 Peri. 87.2273 -0.4868692 +0.8699661
a 3.128058 Node 153.1890 -0.8543799 -0.4556922
e 0.512329 Incl. 9.9858 -0.1816405 -0.1884242
P 5.53
From 337 observations 1991-2007, mean residual 0".6. Nongravitational
parameters A1 = +0.03, A2 = +0.0069.
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