The 180 - 410 metre wide asteroid 2014 YS34 will make a close pass (38.1 LD, 0.0978 AU) travelling at 6.94 km/second, to the Earth-Moon system on the 28th February 2015 @ 15:50 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).
