The 40 - 89 metre wide asteroid 2010 KC will make a close pass (47.8 lunar distances, 0.1228 AU), travelling at 13.59 km/second, to the Earth-Moon system on the 22nd May, 2010.
Orbital elements: 2010 KC Earth MOID = 0.0208 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 342.36701 (2000.0) P Q n 1.43756035 Peri. 295.48681 +0.84597174 -0.53188425 a 0.7775327 Node 96.66703 +0.50188424 +0.77027507 e 0.6176472 Incl. 2.18266 +0.18012224 +0.35181738 P 0.69 H 24.1 G 0.15 U 9