* Astronomy

Orbital elements:
2012 DO                                                  Earth MOID = 0.1006 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 359.21512              (2000.0)            P               Q
n   0.29529501     Peri.  341.24216     -0.99704565     -0.05953954
a   2.2333938      Node   195.58460     +0.06921766     -0.97034520
e   0.5124750      Incl.   10.40652     -0.03330001     -0.23427600
P   3.34           H   20.1           G   0.15           U   7

MPEC 2012 - D15

The 250 - 560 metre wide asteroid 2012 DO will make a close pass (40.3 lunar distances, 0.1036 AU), travelling at 7.73 km/second, to the Earth-Moon system on the 25th March, 2012 @ 13:04 UT ±11:31.

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