* Astronomy

Orbital elements:
2010 DX1                                                 Earth MOID = 0.0709 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M   0.33188              (2000.0)            P               Q
n   0.23587062     Peri.  102.08456     +0.21615801     -0.96434973
a   2.5942998      Node   333.86071     +0.70533361     +0.26234982
e   0.7072458      Incl.   20.27456     +0.67511497     +0.03467228
P   4.18           H   21.2           G   0.15           U   8

MPEC 2010 - D53

The 150 - 330 metre wide asteroid 2010 DX1 will make a close pass (29.1 lunar distances, 0.0748 AU), travelling at 20.91 km/second, to the Earth-Moon system on the 14th February, 2010.

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