The 310 - 680 metre wide asteroid (450648) 2006 UC63 will make a close pass (32.0 lunar distances, 0.08224 AU), travelling at 9.73 km/second, to the Earth on the 26th April 2018 @ 00:14 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).
Ed ~ H = 19.7
