In this undated file photo provided by NASA, U.S. Army astronaut Col. Tim Kopra poses for a photo. NASA officials say an astronaut who had been slated for a spacewalk on the upcoming shuttle mission has been hurt in a bicycle accident. The space agency said in a release late Saturday, Jan. 15, 2011 that Tim Kopra will be OK. But officials are still evaluating if he'll be able to perform his duties when the shuttle Discovery launches to the International Space Station on Feb. 24. (AP Photo/U.S. Army, NASA, File)

(AP) -- NASA officials say an astronaut who had been slated for a spacewalk on the upcoming shuttle mission has been hurt in a bicycle accident.

The space agency said in a release late Saturday that Tim Kopra will be OK. But officials are still evaluating if he'll be able to perform his duties when the shuttle Discovery launches to the on Feb. 24.

NASA did not release more details about Kopra's injury, citing privacy concerns.

The 47-year-old Kopra lives in Houston and is a retired Army colonel. He was one of two astronauts scheduled to go on a during Discovery's mission to the space station.