* Astronomy

Orbital elements:
2011 QS49                                                Earth MOID = 0.0125 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 336.15180              (2000.0)            P               Q
n   0.53242535     Peri.   32.95684     +0.92621424     -0.37692709
a   1.5076374      Node   349.17928     +0.33694184     +0.83632411
e   0.3383699      Incl.    2.22552     +0.16910758     +0.39810546
P   1.85           H   24.2           G   0.15           U   7

MPEC 2011 - R06

The 39 - 87 metre wide asteroid 2011 QS49 will make a close pass (14.5 lunar distances, 0.0372 AU), travelling at 6.09 km/second, to the Earth-Moon system on the 15th September, 2011 @ 03:24 UT ±00:12.

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