* Astronomy

The 38 - 86 metre wide asteroid 2013 YR2 will make a close pass (29.7 lunar distances, 0.0762 AU), travelling at 3.93 km/second, to the Earth-Moon system on the 8th March, 2014 @ 14:50 UT ±01:19. 

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