The 11 - 26 metre wide asteroid 2017 BS32 will make a close pass (0.4 LD, 0.0011 AU) travelling at 11.57 km/second, to the Earth-Moon system on the 2nd February 2017 @ 20:22 UT ±00:06.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).