The following orbital elements are taken from MPC 56803:
Epoch 2009 Feb. 18.0 TT = JDT 2454880.5
T 2009 Mar. 7.6539 TT MPC
q 2.355552 (2000.0) P Q
n 0.1036850 Peri. 127.5323 +0.1561733 -0.9805793
a 4.487373 Node 313.0367 +0.8472980 +0.1947282
e 0.475071 Incl. 9.3409 +0.5076376 -0.0233483
P 9.51
From 271 observations 1981-2000, mean residual 0".8. Nongravitational
parameters A1 = +0.48, A2 = -0.2382.