* Astronomy

The 110 - 250 metre wide asteroid 2004 EK1 will make a close pass (21.6 lunar distances, 0.0555 AU), travelling at 7.45 km/second, to the Earth-Moon system on the 26th February, 2011 @ 23:54 UT ±15:18.

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