* Astronomy

Orbital elements:
2012 SM8                                                 Earth MOID = 0.0318 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 352.19569              (2000.0)            P               Q
n   0.51625882     Peri.  208.03422     +0.90565304     -0.42399857
a   1.5389496      Node   177.04343     +0.40271587     +0.85699542
e   0.3388457      Incl.    4.69011     +0.13271213     +0.29288917
P   1.91           H   26.3           G   0.15           U   7

MPEC 2012 - S36

The 15 - 33 metre wide asteroid 2012 SM8 will make a close pass (14.7 lunar distances, 0.0377 AU), travelling at 5.58 km/second, to the Earth-Moon system on the 26th September, 2012 @ 15:01 UT ±00:31. 

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