The 35 - 78 metre wide asteroid 2014 UL191 made a close pass (5.2 lunar distances, 0.0134 AU) travelling at 19.98 km/second, to the Earth-Moon system on the 29th October 2014 @ 04:49 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).