The 7 - 16 metre wide asteroid 2007 HB15 will made a close pass (6.7 lunar distances, 0.0171 AU), travelling at 5.88 km/second, to the Earth-Moon system on the 28th April 2014 @ 03:27 UT ±12:45.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
