The 83 - 190 metre wide asteroid 2012 XF55 will make a close pass (32.7 lunar distances, 0.0841 AU), travelling at 7.33 km/second, to the Earth-Moon system on the 22nd April, 2013 @ 18:36 UT ±00:11.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
