The 35 - 78 metre wide asteroid 2008 HA2 will make a close pass (26.8 LD, 0.0688 AU) travelling at 4.87 km/second, to the Earth-Moon system on the 5th March 2015 @ 10:23 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).