Orbital elements:
2011 YC63 Earth MOID = 0.0014 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 64.70387 (2000.0) P Q
n 0.51959307 Peri. 269.97821 +0.97332973 -0.14379693
a 1.5323588 Node 98.28905 +0.20160295 +0.90797420
e 0.5962649 Incl. 10.40689 -0.10947822 +0.39358010
P 1.90 H 29.0 G 0.15 U 7