* Astronomy

Orbital elements:
2012 PN                                                  Earth MOID = 0.0408 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M  14.57441              (2000.0)            P               Q
n   0.24846844     Peri.  145.68014     +0.63917297     +0.76904188
a   2.5058509      Node   164.04755     -0.71017250     +0.59305771
e   0.5795974      Incl.    1.18871     -0.29514900     +0.23844735
P   3.97           H   24.6           G   0.15           U   7

MPEC 2012 - P17

The 33 - 74 metre wide asteroid 2012 PN made a close pass (15.9 lunar distances, 0.0218 AU), travelling at 7.20 km/second, to the Earth-Moon system on the 4th August, 2012 @ 03:05 UT ±00:16. 

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