Asteroid 2014 YB35 will pass 2.8 million miles from Earth tomorrow . It was discovered by Nasa at the University of Arizona . the Catalina Sky Survey classifies it as a 'Potentially Hazardous Asteroid ' ( PHA ) The asteroid is estimated to be 1,640 feet-wide ( 500 metres ) This would be large enough to cause devastation - but it will not hit Earth . In fact it will sail past at distance that is 11.7 times further than the distance between the Earth and the moon . Experts said , however , it highlights a need to do more to track asteroids .
Asteroid 2014 YB35 will pass 2.8 million miles from Earth tomorrow . It was discovered by the Catalina Sky Survey at the University of Arizona . Nasa classifies it as a 'Potentially Hazardous Asteroid ' ( PHA ) The asteroid is estimated to be 1,640 feet-wide ( 500 metres ) This would be large enough to cause devastation - but it will not hit Earth . In fact it will sail past at distance that is 11.7 times further than the distance between the Earth and the moon . Experts said , however , it highlights a need to do more to track asteroids .