* Astronomy

Orbital elements:
2011 LS17                                                Earth MOID = 0.0288 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M   1.83723              (2000.0)            P               Q
n   0.26649634     Peri.  287.13950     +0.89220954     +0.44949939
a   2.3915266      Node    46.17400     -0.38789156     +0.81229934
e   0.6277834      Incl.    3.47519     -0.23130559     +0.37164508
P   3.70           H   22.6           G   0.15           U   9

MPEC 2011 - L38

The 83 - 190 metre wide asteroid 2011 LS17 will make a close pass (45.9 lunar distances, 0.1180 AU), travelling at 11.24 km/second, to the Earth-Moon system on the 31st July, 2011 @ 13:36 UT ±1 day 02:35.

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