The 210 - 480 metre wide asteroid 2014 HD3 will make a close pass (34.3 lunar distances, 0.0881 AU), travelling at 8.98 km/second, to the Earth-Moon system on the 3rd June 2014 @ 08:30 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).
