The 120 - 270 metre wide asteroid 2017 NH in the constellation Hercules will make a close pass (16.54 LD, 0.04251 AU), travelling at 7.83 km/second, to the Earth-Moon system on the 12th July 2017 @ 19:04 UT ±00:01.
Magnitude: 17.2 V
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).