Orbital elements: 2009 SO104 Earth MOID = 0.0703 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 304.40837 (2000.0) P Q n 0.66897937 Peri. 341.58868 +0.96882515 +0.24613895 a 1.2947748 Node 4.45830 -0.15606889 +0.69466124 e 0.1766133 Incl. 21.24570 -0.19240668 +0.67591521 P 1.47 H 25.9 G 0.15 U 8
The 17 - 39 metre wide asteroid 2009 SO104 made a close pass (27.9 Lunar Distances, 0.0716 AU), travelling at 11.48 km/s, to the Earth-Moon system on the 26th September, 2009.