* Astronomy

Orbital elements:
2012 DN31                                                Earth MOID = 0.0187 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M   3.94348              (2000.0)            P               Q
n   0.24774025     Peri.    6.45194     -0.91772362     -0.39650536
a   2.5107588      Node   150.15282     +0.36227012     -0.86005707
e   0.5986384      Incl.    2.74202     +0.16292246     -0.32106906
P   3.98           H   23.7           G   0.15           U   6

MPEC 2012 - D74

The 49 - 110 metre wide asteroid 2012 DN31 will make a close pass (8.0 lunar distances, 0.0206 AU), travelling at 7.65 km/second, to the Earth-Moon system on the 1st March, 2012 @ 21:39 UT ±00:01.

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