* Astronomy

Orbital elements:
2012 DF4                                                 Earth MOID = 0.0075 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 344.81082              (2000.0)            P               Q
n   0.53423812     Peri.   87.07154     -0.58584411     +0.80918801
a   1.5042250      Node   146.93598     -0.77231858     -0.54071911
e   0.5398144      Incl.    4.70356     -0.24558235     -0.22986432
P   1.84           H   26.0           G   0.15           U   6

MPEC 2012 - D29

The 18 - 41 metre wide asteroid 2012 DF4 will make a close pass (3.4 lunar distances, 0.0086 AU), travelling at 16.17 km/second, to the Earth-Moon system on the 21st February, 2012 @ 07:04 UT ±00:01.

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