The 47 - 100 metre wide asteroid 2010 CK1 will make a close pass (22.9 lunar distances, 0.0589 AU), travelling at 15.25 km/second, to the Earth-Moon system on the 13th February, 2010.
Orbital elements: 2010 CK1 Earth MOID = 0.0539 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 274.37618 (2000.0) P Q n 0.80310647 Peri. 77.83051 -0.70591125 +0.64788245 a 1.1462710 Node 141.45625 -0.68118008 -0.73173316 e 0.2144061 Incl. 27.34734 +0.19412113 -0.21169534 P 1.23 H 23.7 G 0.15 U 8