The 120 - 260 metre wide asteroid 2018 DE2 will make a close pass (48.62 lunar distances, 0.1249 AU), travelling at 10.96 km/second, to the Earth on the 26th March 2018 @ 20:45 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).