(367789) 2011 AG5 (also written 2011 AG5) is a near-Earth asteroid and potentially hazardous object.[2] It has a diameter of about 140 meters (460 ft).[3] It was removed from the Sentry Risk Table on 21 December 2012 and as such it now has a rating of 0 on the Torino Scale.
http://en.wikipedia.org/wiki/2011_AG5