The 41 - 91 metre wide asteroid 2009 SX17 will make a close pass (29.2 Lunar Distances, 0.0750 AU), travelling at 5.96 km/s, to the Earth-Moon system on the 23rd September, 2009.
Orbital elements: 2009 SX17 Earth MOID = 0.0742 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 332.09047 (2000.0) P Q n 0.27697131 Peri. 58.62899 +0.99689965 -0.07605252 a 2.3308421 Node 305.72521 +0.06107477 +0.90960130 e 0.5390105 Incl. 1.42416 +0.04960811 +0.40846235 P 3.56 H 24.1 G 0.15 U 8