The 6.5 - 15metre wide asteroid 2010 CS19 made a close pass (1.8-lunar distances, 0.0047-AU), travelling at 6.93-km/second, to the Earth-Moon system on the 13th February, 2010.
Orbital elements: 2010 CS19 Earth MOID = 0.0021 AU Epoch 2010 Feb. 13.0 TT = JDT 2455240.5 MPC M 6.99416 (2000.0) P Q n 0.43124470 Peri. 340.39320 -0.56122684 -0.82654233 a 1.7350828 Node 143.71109 +0.76874102 -0.53983643 e 0.4391244 Incl. 4.16998 +0.30669476 -0.15938758 P 2.29 H 28.1 G 0.15 From 16 observations 2010 Feb. 15.