The space rock was discovered on October 8th, 2013 by the Crimean Astrophysical Observatory in Ukraine. It came within 4.2 million miles and currently has a 1 in 63000 chance of impacting Earth in 2032
via Pocket http://www.space.com/23257-1300-foot-wide-asteroid-2013-tv135-s-near-earth-flyby-orbit-animation.html?cmpid=514648