The 37 - 82 metre wide asteroid 2015 RV35 made a close pass (40.6 LD, 0.1044 AU) travelling at 12.13 km/second, to the Earth-Moon system on the 11th September 2015 @ 00:42 UT ±00:07.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).