* Astronomy

Orbital elements:
2010 DY1                                                 Earth MOID = 0.0353 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 344.99055              (2000.0)            P               Q
n   0.28271791     Peri.   13.26361     -0.92697266     -0.36640801
a   2.2991493      Node   144.90300     +0.33014808     -0.89863947
e   0.5573118      Incl.    8.03999     +0.17811211     -0.24123073
P   3.49           H   25.8           G   0.15           U   7

MPEC 2010 - D54

The 19 - 42 metre wide asteroid 2010 DY1 will make a close pass (13.8 lunar distances, 0.0355 AU), travelling at 8.32 km/second, to the Earth-Moon system on the 20th 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).