The 20 - 46 metre wide asteroid 2015 HK will make a close pass (20.3 LD, 0.0520 AU) travelling at 7.87 km/second, to the Earth-Moon system on the 25th April 2015 @ 11:39 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).
