* Astronomy

The 15 - 34 metre wide asteroid 2010 XN69 will make a close pass (4.3 lunar distances, 0.0111 AU), travelling at 8.19 km/second, to the Earth-Moon system on the 25th December, 2010 @ 22:42 UT ±2 days 03:19.

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