* Astronomy

The 160 - 360 metre wide asteroid 2010 RR179 will make a close pass (60.9 lunar distances, 0.1565 AU), travelling at 11.06 km/second, to the Earth-Moon system on the 26th December, 2010 @ 07:05 UT ±1 minute.

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