Orbital elements:
2012 FY23 Earth MOID = 0.0832 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 342.70755 (2000.0) P Q
n 0.25783701 Peri. 41.95924 -0.40992937 +0.90355612
a 2.4447768 Node 204.63919 -0.89603134 -0.42447799
e 0.5871127 Incl. 17.40082 -0.17054548 +0.05835039
P 3.82 H 19.9 G 0.15 U 7
The 270 - 610 metre wide asteroid 2012 FY23 will make a close pass (33.0 lunar distances, 0.0849 AU), travelling at 14.09 km/second, to the Earth-Moon system on the 22nd April, 2012 @ 01:18 UT ±07:11.