The 5 - 10 metre wide asteroid 2017 BH30 will make a close pass (0.1 LD, 0.0003 AU) travelling at 15.45 km/second, to the Earth-Moon system on the 30th January 2017 @ 04:50 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).