[Updated at 2:56 p.m. ET] And, there it went.
The asteroid 2012 DA14 has made its closest approach to Earth at 2:24 p.m. ET, at a distance of about 17,200 miles above the planet's surface, NASA says.
[Posted at 1:16 p.m. ET] Scientists say you don't have to worry about asteroid 2012 DA14 hitting Earth. But if you'd like to keep an eye on it as it makes an exceptionally close pass this afternoon, NASA has a camera for you.
The asteroid, thought to be 45 meters long - about half a football field - will come to is closest point to Earth at 2:24 p.m.come no closer than 17,100 miles from our planet's surface.