The 6 - 14 metre wide asteroid 2017 FJ will make a close pass (2.0 LD, 0.0051 AU) in the constellation Hercules, travelling at 9.26 km/second, to the Earth-Moon system on the 21st March 2017 @ 15:04 UT ±00:02.
Magnitude: 18.9 V
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).