Update: The 49 - 110 metre wide asteroid 2012 HL8 will make a close pass (51.2 lunar distances, 0.1316 AU), travelling at 6.64 km/second, to the Earth-Moon system on the 25th May, 2012 @ 23:16 UT ±00:01.
Orbital elements:
2012 HL8 Earth MOID = 0.1181 AU
Epoch 2012 Apr. 3.0 TT = JDT 2456020.5 MPC
M 345.72810 (2000.0) P Q
n 0.25534542 Peri. 185.39411 -0.31796979 +0.94649838
a 2.4606547 Node 66.07514 -0.86759592 -0.26704293
e 0.5401155 Incl. 3.45586 -0.38232517 -0.18118746
P 3.86 H 23.7 G 0.15
From 12 observations 2012 Apr. 21-22.
The 49 - 110 metre wide asteroid 2012 HL8 will make a close pass (46.5 lunar distances, 0.1194 AU), travelling at 7.48 km/second, to the Earth-Moon system on the 25th May, 2012 @ 18:05 UT ±1 day 09:44.