* Astronomy

Orbital elements:
2011 DT9                                                 Earth MOID = 0.0228 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M 351.30303              (2000.0)            P               Q
n   0.84991922     Peri.  170.23695     -0.85646500     -0.51093642
a   1.1037845      Node   338.54462     +0.45900825     -0.68859209
e   0.0831657      Incl.   11.60232     +0.23617606     -0.51457255
P   1.16           H   25.2           G   0.15           U   6

MPEC 2011 - D45

The 25  - 55 metre wide asteroid 2011 DT9 will make a close pass (9.0 lunar distances, 0.0231 AU), travelling at 6.20 km/second, to the Earth-Moon system on the 27th February, 2011 @ 19:48 UT ±00:07.

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