The 7 - 15 metre wide asteroid 2014 KO2 made a close pass (0.01347 AU), travelling at 4.13 km/second, to the Earth-Moon system on the 21st May 2014 @ 21:48 UT ±00:02.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
