The 12 - 27 metre wide asteroid 2009 SL will make a close pass (12.4 Lunar Distances, 0.0319 AU), travelling at 11.36 km/s, to the Earth-Moon system on the 19th September, 2009.
Orbital elements: 2009 SL Earth MOID = 0.0312 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 281.97516 (2000.0) P Q n 0.62963360 Peri. 214.71514 +0.86765168 -0.49621809 a 1.3481683 Node 174.74611 +0.49712608 +0.86505796 e 0.2578658 Incl. 19.65007 +0.00679913 +0.07377217 P 1.57 H 26.7 G 0.15 U 8