The 170 - 370 metre wide asteroid 2007 XY9 will make a close pass (29.5 lunar distances, 0.0759 AU), travelling at 13.86 km/second, to the Earth-Moon system on the 22nd July, 2013 @ 08:34 UT ±00:01.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
