The 150 - 340 metre wide asteroid 2010 MP1 made a close pass (22.3 lunar distances, 0.0572 AU), travelling at 16.21 km/second, to the Earth-Moon system on the 18th June, 2010 @ 12:29 UT.
Orbital elements: 2010 MP1 Earth MOID = 0.0572 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 136.48279 (2000.0) P Q n 1.24541051 Peri. 32.38732 -0.53875586 -0.74849340 a 0.8555808 Node 93.09706 +0.66665029 -0.65938238 e 0.4886555 Incl. 22.78148 +0.51509176 +0.07051608 P 0.79 H 21.3 G 0.15 U 8