* Astronomy

Orbital elements:
2012 PY19                                                Earth MOID = 0.0099 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 253.47563              (2000.0)            P               Q
n   1.20791101     Peri.  171.85287     -0.64514057     -0.76389911
a   0.8731980      Node   318.32133     +0.69966283     -0.58229047
e   0.2004844      Incl.    1.36742     +0.30702698     -0.27820130
P   0.82           H   27.5           G   0.15           U   6

MPEC 2012 - Q02

The 7 - 17 metre wide asteroid 2012 PY19 will make a close pass (11.0 lunar distances, 0.0282 AU), travelling at 3.46 km/second, to the Earth-Moon system on the 18th August, 2012 @ 21:05 UT ±00:21. 

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