* Astronomy

The 620 - 1400 metre wide asteroid 1999 LF6 will make a close pass (58.4 Lunar Distances, 0.1502 AU), travelling at 13.51 km/s, to the Earth-Moon system on the 23rd October, 2009.

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