The 230 - 520 metre wide asteroid 2005 SX4 will make a close pass (72.8 lunar distances, 0.1872 AU) travelling at 4.58 km/second, to the Earth-Moon system on the 22nd November 2014 @ 01:45 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).
