The 48 - 110 metre wide asteroid 2015 AD45 will make a close pass (69.0 LD, 0.1774 AU) travelling at 2.95 km/second, to the Earth-Moon system on the 17th February 2015 @ 02:21 UT ±02:01.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).