* Astronomy

The 10 - 23 metre wide asteroid 2010 XO69 will make a close pass (2.8 lunar distances, 0.0072 AU), travelling at 7.10 km/second, to the Earth-Moon system on the 22nd December, 2010 @ 12:45 UT ±04:54.

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