* Astronomy

The 770 - 1700 metre wide asteroid Illapa will make a close pass (37.0 lunar distances, 0.0951 AU), travelling at 28.73 km/second, to the Earth-Moon system on the 12th August, 2012 @ 07:53 UT ±00:01. 

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

Illapa is named for the thunder or weather god of the Incas.