Orbital elements: 2009 SJ15 Earth MOID = 0.0547 AU Epoch 2009 Sept. 6.0 TT = JDT 2455080.5 MPC M 335.23813 (2000.0) P Q n 0.59514021 Peri. 210.26469 +0.88004986 -0.47474989 a 1.3997695 Node 177.97645 +0.47382580 +0.87628336 e 0.2635775 Incl. 18.44296 +0.03164407 +0.08209756 P 1.66 H 22.7 G 0.15 From 8 observations 2009 Sept. 20-21.
The 78 - 170 metre wide asteroid 2009 SJ15 will make a close pass (26.8 Lunar Distances, 0.0688 AU), travelling at 10.94 km/s, to the Earth-Moon system on the 21st September, 2009.