Orbital elements:
2011 YW1 Earth MOID = 0.2385 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 31.51277 (2000.0) P Q
n 0.40638353 Peri. 8.79305 -0.10381376 -0.81372578
a 1.8051445 Node 88.75100 +0.87420719 -0.34887750
e 0.3248667 Incl. 34.89253 +0.47432531 +0.46490305
P 2.43 H 19.7 G 0.15 U 8