Orbital elements:
2011 LY2 Earth MOID = 0.1919 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 112.21660 (2000.0) P Q
n 0.54982366 Peri. 78.00235 -0.86606932 -0.45401801
a 1.4756627 Node 74.68835 +0.33087114 -0.83436185
e 0.2827516 Incl. 12.53088 +0.37476421 -0.31258272
P 1.79 H 21.1 G 0.15 U 8
The 140 - 310 metre wide asteroid 2011 LY2 made a close pass (0.347 AU), travelling at 6.53 km/second, to the Earth-Moon system on the 8th May, 2011 @ 08:03 UT ±2 days 13:44.