The 11 - 25 metre wide asteroid 2015 QH3 made a close pass (4.4 LD, 0.0113 AU) travelling at 7.10 km/second, to the Earth-Moon system on the 21st August 2015 @ 18:17 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).
