Orbital elements:
2011 YL63 Earth MOID = 0.1688 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 59.89366 (2000.0) P Q
n 0.38619805 Peri. 204.90329 +0.61383204 +0.72138271
a 1.8675088 Node 104.65466 -0.65737085 +0.69198476
e 0.8496893 Incl. 19.35580 -0.43711989 -0.02764184
P 2.55 H 20.5 G 0.15 U 9