The 35 - 78 metre wide asteroid 2014 OA339 will make a close pass (19.4 lunar distances, 0.0500 AU), travelling at 8.53 km/second, to the Earth-Moon system on the 19th August 2014 @ 16:59 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).
