The 160 - 370 metre wide asteroid 2011 LJ19 will make a close pass (18.2 lunar distances, 0.0467 AU), travelling at 9.99 km/second, to the Earth-Moon system on the 16th September, 2011 @ 02:32 UT ±2 days 11:46.
Orbital elements:
2011 LJ19 PHA, Earth MOID = 0.0061 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 359.86605 (2000.0) P Q
n 0.24288090 Peri. 29.87198 +0.83936137 +0.54305897
a 2.5441368 Node 297.21728 -0.50384050 +0.76093988
e 0.6071854 Incl. 1.52409 -0.20400301 +0.35504571
P 4.06 H 21.1 G 0.15 U 8