The 88 - 200 metre wide asteroid 2015 JH2 will make a close pass (30.8 LD, 0.0791 AU) travelling at 6.56 km/second, to the Earth-Moon system on the 9th July 2015 @ 02:39 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).