The 6 - 14 metre wide asteroid 2014 TB made a close pass (5.8 lunar distances, 0.0149 AU) travelling at 3.74 km/second, to the Earth-Moon system on the 1st October 2014 @ 19:39 UT ±00:04.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).