The 32 - 71 metre wide asteroid 2014 DF23 made a close pass (17.9 lunar distances, 0.0459 AU), travelling at 6.18 km/second, to the Earth-Moon system on the 27th February, 2014 @ 16:47 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).
