^ 10.010.1Yeomans, Don; Chodas, Paul. Additional Details on the Large Fireball Event over Russia on Feb. 15, 2013. NASA/JPL Near-Earth Object Program Office. 1 March 2013. (原始内容存档于2013-04-30). Note that [the] estimates of total energy, diameter and mass are very approximate. NASA's webpage in turn acknowledges credit for its data and visual diagrams to: