The 21 - 47 metre wide asteroid 2014 FB44 made a close pass (8.9 lunar distances, 0.0230 AU), travelling at 7.57 km/second, to the Earth-Moon system on the 31st March 2014 @ 07:23 UT ±00:01.
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
