Near-Earth Asteroid 2014 RC: 'Pitbull' Will Zoom By Earth At A Distance Of 25,000 Miles On Sunday

Asteroid 2014 RC, which was discovered on Aug. 31, will make its closest approach to Earth on Sunday, though it poses no threat. The asteroid was first observed by the Catalina Sky Survey. Measuring about 60 feet in length, the asteroid -- along with its orbit -- were confirmed by additional observations from the Catalina Sky Survey and the Pan-STARRS 1 telescope, NASA noted.