Update The 140 - 310 metre wide asteroid 2010 GS7 made a close pass (26.3 lunar distances, 0.0675 AU), travelling at 11.58 km/second, to the Earth-Moon system on the 28th April, 2010.
The 150 - 330 metre wide asteroid 2010 GS7 will make a close pass (26.7 lunar distances, 0.0687 AU), travelling at 11.23 km/second, to the Earth-Moon system on the 29th April, 2010.
Orbital elements: 2010 GS7 Earth MOID = 0.0533 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 14.40513 (2000.0) P Q n 0.23625807 Peri. 50.36148 -0.38607605 +0.92113612 a 2.5914626 Node 197.12848 -0.88948220 -0.38596462 e 0.6292687 Incl. 9.68231 -0.24447231 -0.05039401 P 4.17 H 21.3 G 0.15 U 9