The 170 - 380 metre wide asteroid 2015 HP43 will make a close pass (52.0 LD, 0.1337 AU) travelling at 10.88 km/second, to the Earth-Moon system on the 20th May 2015 @ 05:07 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).
