* Astronomy

Orbital elements:
2012 SH58                                                Earth MOID = 0.0268 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M   1.92908              (2000.0)            P               Q
n   0.37758472     Peri.  280.25682     +0.99954544     -0.02957796
a   1.8958026      Node    81.43830     +0.02945269     +0.91666208
e   0.4569749      Incl.    0.33818     +0.00643895     +0.39856714
P   2.61           H   27.0           G   0.15           U   7

MPEC 2012 - S83

The 10 - 23 metre wide asteroid 2012 SH58 made a close pass (10.8 lunar distances, 0.0278 AU), travelling at 5.81 km/second, to the Earth-Moon system on the 25th September, 2012 @ 18:23 UT ±00:03. 

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