* Astronomy

2010 XR Earth Impact Risk Summary
Torino Scale (maximum) 0 Palermo Scale (maximum) -4.62 Palermo Scale (cumulative) -4.62 Impact Probability (cumulative) 5.3e-06 Number of Potential Impacts 1	Vimpact 22.84 km/s Vinfinity 19.94 km/s H 26.7 Diameter 0.016 km Mass 5.1e+06 kg Energy 3.2e-01 MT all above are mean values weighted by impact probability
Analysis based on 14 observations spanning 3.0869 days (2010-Dec-02.35142 to 2010-Dec-05.43837)

The 16 metre wide asteroid 2010 XR will make a close pass to the Earth-Moon system on the 29th November, 2013.

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