The 14 - 31 metre wide asteroid 2017 EG3 will make a close pass (4.4 LD, 0.0113 AU) travelling at 8.27 km/second, to the Earth-Moon system on the 17th March 2017 @ 10:57 UT ±00:05.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).