Newly Discovered Space Rock Is Headed Toward Earth, Estimated Time of Arrival 2040

All eyes are on the asteroid Apophis, but a new threat--just 460 feet wide--dominated the conversation at a recent meeting of the UN Action Team on near-Earth objects (NEOs). Known as 2011 AG5, the asteroid could well be on a collision course with Earth in 2040, and some are already calling on scientists to figure out how to deflect it.
http://www.popsci.com/technology/article/2012-02/new-near-earth-object-could-collide-earth-2040?cmpid=tw