Orbital elements:
2011 YP10 Earth MOID = 0.0707 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 21.10316 (2000.0) P Q
n 0.73774636 Peri. 55.34603 -0.78857999 -0.59297077
a 1.2130108 Node 87.74329 +0.49727920 -0.77073584
e 0.1732529 Incl. 9.38097 +0.36173885 -0.23313500
P 1.34 H 24.6 G 0.15 U 7
The 32 - 71 metre wide asteroid 2011 YP10 will make a close pass (33.3 lunar distances, 0.0855 AU), travelling at 5.32 km/second, to the Earth-Moon system on the 1st January, 2012 @ 12:35 UT ±02:25.