2007 VK184Earth Impact Risk Summary Torino Scale (maximum) 1 Palermo Scale (maximum) -1.83 Palermo Scale (cumulative) -1.82 Impact Probability (cumulative) 3.4e-04 Number of Potential Impacts 4 Vimpact 19.19 km/s Vinfinity 15.63 km/s H 22.0 Diameter 0.130 km Mass 3.3e+09 kg Energy 1.5e+02 MT all above are mean values weighted by impact probability Analysis based on101 observations spanning 60.013 days(2007-Nov-12.13904 to 2008-Jan-11.15189) Orbit diagram and elements available here.