* Astronomy

Orbital elements:
2011 WD                                                  Earth MOID = 0.0713 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 291.30900              (2000.0)            P               Q
n   0.61867124     Peri.  209.08047     +0.11974128     -0.98953456
a   1.3640473      Node   234.15480     +0.92900772     +0.14028183
e   0.2321244      Incl.    5.70076     +0.35015236     -0.03379893
P   1.59           H   26.1           G   0.15           U   8

MPEC 2011 - W07

The 16 - 36 metre wide asteroid 2011 WD will make a close pass (28.8 lunar distances, 0.0739 AU), travelling at 3.62 km/second, to the Earth-Moon system on the 1st December, 2011 @ 09:26 UT ±23:12.

See more

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