The 100 - 230 metre wide asteroid 2015 NA14 will make a close pass (23.7 LD, 0.0608 AU) travelling at 5.36 km/second, to the Earth-Moon system on the 31st July 2015 @ 18:05 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).
