The 22 - 50 metre wide asteroid 2013 ET11 will make a close pass (14.8 lunar distances, 0.0380 AU), travelling at 12.71 km/second, to the Earth-Moon system on the 16th March, 2013 @ 12:46 UT ±00:09.
Orbital elements:
2013 ET11 Earth MOID = 0.0068 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 1.19300 (2000.0) P Q
n 0.20362961 Peri. 14.31779 -0.83776076 +0.54598497
a 2.8613793 Node 198.78011 -0.50326454 -0.77744146
e 0.6719237 Incl. 1.34755 -0.21185306 -0.31222617
P 4.84 H 25.4 G 0.15 U 7