* Astronomy

The 1800 - 3900 metre wide asteroid 2003 QO104 will make a close pass (36.8 Lunar Distances, 0.0945 AU), travelling at 10.42 km/s, to the Earth-Moon system on the 9th June, 2009.
At closest approach the asteroid will reach magnitude 14.

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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).