* Astronomy

Orbital elements:
2012 PB20                                                Earth MOID = 0.0010 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 164.42522              (2000.0)            P               Q
n   0.91065198     Peri.   49.97252     -0.97230218     +0.22549764
a   1.0541468      Node   142.94074     -0.23318196     -0.91791965
e   0.0951672      Incl.    5.85498     -0.01595783     -0.32645723
P   1.08           H   24.9           G   0.15           U   7

MPEC 2012 - Q05

The 27 - 60 metre wide asteroid 2012 PB20 made a close pass (40.5 lunar distances, 0.1040 AU), travelling at 3.61 km/second, to the Earth-Moon system on the 8th August, 2012 @ 15:34 UT ±11:23. 

See more

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