The 140 - 310 metre wide asteroid 2001 QN142 will make a close pass (74.5 lunar distances, 0.1915 AU), travelling at 13.43 km/second, to the Earth-Moon system on the 15th May, 2012 @ 00:54 UT ±00:01.
Orbital elements:
2001 QN142 = 2012 HP2 Earth MOID = 0.1101 AU
Id. F. Manca
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 343.59524 (2000.0) P Q
n 0.17985898 Peri. 110.14173 +0.08253193 +0.99543249
a 3.1082406 Node 164.36006 -0.96787823 +0.09153554
e 0.6869366 Incl. 10.25300 -0.23748728 -0.02711846
P 5.48 H 21.6 G 0.15 U 2