The 31 - 68 metre wide asteroid 2015 LE21 will make a close pass (31.6 LD, 0.0812 AU) travelling at 3.49 km/second, to the Earth-Moon system on the 5th August 2015 @ 16:39 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).
