* Astronomy

Orbital elements:
2013 DM1                                                 Earth MOID = 0.1106 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M  25.75668              (2000.0)            P               Q
n   0.56487603     Peri.  195.25558     -0.94896601     +0.00759480
a   1.4493300      Node   336.56681     +0.29999025     -0.28672512
e   0.2455162      Incl.   52.44953     -0.09731068     -0.95798279
P   1.74           H   19.8           G   0.15           U   9

MPEC 2013 - D39

Key to Orbital elements

The 300 - 660 metre wide asteroid 2013 DM1 will make a close pass (73.3 lunar distances, 0.1885 AU), travelling at 27.94 km/second, to the Earth-Moon system on the 21st February, 2013 @ 08:29 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).