The 47 - 100 metre wide asteroid 2010 FK made a close pass (18.8 lunar distances, 0.0482 AU), travelling at 6.71 km/second, to the Earth-Moon system on the 12th March, 2010.
Orbital elements: 2010 FK Earth MOID = 0.0333 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 119.34703 (2000.0) P Q n 1.08169348 Peri. 166.08510 +0.93841031 +0.34465778 a 0.9398674 Node 173.59345 -0.33425554 +0.92344899 e 0.0970899 Incl. 12.64986 -0.08751757 +0.16868013 P 0.91 H 23.8 G 0.15 U 7