* Astronomy

The 1000 - 2000 metre wide asteroid 2004 BX159 will make a close pass, travelling at 13.97 km/s, to the Earth-Moon system on the 29th August, 2009.

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

2004 BX159 Earth Impact Risk Summary
Torino Scale (maximum) 0 Palermo Scale (maximum) -3.66 Palermo Scale (cumulative) -3.57 Impact Probability (cumulative) 3.6e-09 Number of Potential Impacts 14	Vimpact 17.88 km/s Vinfinity 13.97 km/s H 17.2 Diameter 1.200 km Mass 2.5e+12 kg Energy 9.5e+04 MT all above are mean values weighted by impact probability
Analysis based on 8 observations spanning 3.0080 days (2004-Jan-20.317639 to 2004-Jan-23.32563)

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