The 47 - 100 metre wide asteroid 2015 HF170 made a close pass (67.1 LD, 0.1723 AU) travelling at 6.10 km/second, to the Earth-Moon system on the 26th April 2015 @ 14:46 UT ±00:58.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
