The 200 - 450 metre wide asteroid 2014 QQ266 will make a close pass (69.4 lunar distances, 0.1783 AU), travelling at 29.36 km/second, to the Earth-Moon system on the 19th September, 2014 @ 03:30 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).
