Update: The 440 - 970 metre wide asteroid 2012 LU7 will make a close pass (46.7 lunar distances, 0.1200 AU), travelling at 8.16 km/second, to the Earth-Moon system on the 2nd September, 2012 @ 06:25 UT ±00:01.
Orbital elements:
2012 LU7 Earth MOID = 0.0986 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 316.31102 (2000.0) P Q
n 0.25798209 Peri. 179.38112 +0.89365780 +0.44353055
a 2.4438601 Node 153.94807 -0.41238390 +0.87165308
e 0.5462885 Incl. 8.93844 -0.17696115 +0.20857028
P 3.82 H 18.8 G 0.15 U 8
The 470 - 1100 metre wide asteroid 2012 LU7 will make a close pass (47.6 lunar distances, 0.1222 AU), travelling at 8.18 km/second, to the Earth-Moon system on the 2nd September, 2012 @ 08:46 UT ±23:32.