The 61 - 140 metre wide asteroid 2014 FY6 will make a close pass (69.7 lunar distances, 0.1791 AU), travelling at 12.58 km/second, to the Earth-Moon system on the 26th March 2014 @ 09:54 UT ±00:37.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).