* Astronomy

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.

MPEC 2009 - S61

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.

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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).