https://www.space.com/10927-asteroid-2011cq1-record-close-pass-earth.html
Asteroid's Record-Breaking Brush with Earth Changed It Forever | Space
Feb 23, 2011 - Asteroid 2011 CQ1 set a new record when it passed close by Earth this month. The Feb. 4 asteroid flyby changed the orbit of Asteroid 2011C CQ1 forever.
s recordbreaking brushchanged itasteroidearth