The 38 - 86 metre wide asteroid 2015 DJ215 will make a close pass (32.6 LD, 0.0838 AU) travelling at 6.67 km/second, to the Earth-Moon system on the 22nd March 2015 @ 17:28 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).