* Astronomy

The 290 - 650 metre wide asteroid 2014 EL45 will make a close pass (49.8 lunar distances, 0.1279 AU), travelling at 19.27 km/second, to the Earth-Moon system on the 17th March 2014 @ 06:04 UT ±00:01. 

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