Orbital elements:
2012 EL1 Earth MOID = 0.0374 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 31.56017 (2000.0) P Q
n 0.63121781 Peri. 138.15264 -0.54402390 -0.80563536
a 1.3459117 Node 340.51610 +0.45174283 -0.04571055
e 0.2779173 Incl. 44.67274 +0.70708303 -0.59064559
P 1.56 H 24.1 G 0.15 U 9
The 40 - 88 metre wide asteroid 2012 EL1 made a close pass (14.7 lunar distances, 0.0377 AU), travelling at 24.17 km/second, to the Earth-Moon system on the 29th February, 2012 @ 16:22 UT ±00:01.