The 270 - 590 metre wide asteroid 514914 (2008 TN26) will make a close pass (72.0 lunar distances, 0.18502 AU), travelling at 15.36 km/second, to the Earth on the 20th April 2018 @ 11:20 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).
