The 26 - 58 metre wide asteroid 2014 WW201 made a close pass (10.4 lunar distances, 0.0268 AU) travelling at 8.66 km/second, to the Earth-Moon system on the 26th November 2014 @ 18:28 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).