The 4 - 8 metre wide asteroid 2017 DG16 will make a close pass (0.4 LD, 0.0009 AU) travelling at 6.91 km/second, to the Earth-Moon system on the 23rd February 2017 @ 21:08 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).