The 53 - 120 metre wide asteroid 2014 LX9 will make a close pass (69.5 lunar distances, 0.1787 AU), travelling at 5.90 km/second, to the Earth-Moon system on the 9th July 2014 @ 19:30 UT ±00:28.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).