Orbital elements:
2012 MV4 Earth MOID = 0.0809 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 316.71186 (2000.0) P Q
n 0.31959564 Peri. 60.55317 +0.72483927 +0.68029060
a 2.1186968 Node 256.34571 -0.66446393 +0.64869441
e 0.5150771 Incl. 6.42182 -0.18192229 +0.34117482
P 3.08 H 20.1 G 0.15 U 8
The 260 - 590 metre wide asteroid 2012 MV4 will make a close pass (62.7 lunar distances, 0.1611 AU), travelling at 12.22 km/second, to the Earth-Moon system on the 28th June, 2012 @ 04:00 UT ±00:34.