The 15 - 33 metre wide asteroid 2015 HE10 will make a close pass (7.9 LD, 0.0204 AU) travelling at 9.65 km/second, to the Earth-Moon system on the 25th April 2015 @ 08:49 UT ±00:01.
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
