* Astronomy

Orbital elements:
2011 WN69                                                Earth MOID = 0.0004 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 348.74954              (2000.0)            P               Q
n   0.23951555     Peri.   89.80768     +0.88682857     +0.45247119
a   2.5679126      Node   243.28891     -0.45465187     +0.81805094
e   0.7842295      Incl.    6.02973     -0.08262430     +0.35505279
P   4.12           H   26.2           G   0.15           U   7

MPEC 2011 - W78

The 16 - 35 metre wide asteroid 2011 WN69 made a close pass (1.5 lunar distances, 0.0037 AU), travelling at 23.95 km/second, to the Earth-Moon system on the 25th November, 2011 @ 14:08 UT ±00:04.

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