* Astronomy

Orbital elements:
2011 PF2                                                 Earth MOID = 0.1134 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M  39.26067              (2000.0)            P               Q
n   0.63082278     Peri.  301.99517     +0.07649046     +0.98017647
a   1.3464735      Node   330.66953     -0.74163505     -0.06658637
e   0.2291260      Incl.   21.90745     -0.66642829     +0.18660212
P   1.56           H   21.6           G   0.15           U   8

MPEC 2011 - P41

The 130 - 280 metre wide asteroid 2011 PF2 will make a close pass (44.5 lunar distances, 0.1144 AU), travelling at 12.18 km/second, to the Earth-Moon system on the 17th August, 2011 @ 08:11 UT ±06:39.

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