September 16, 2013 - NewsRT @MinorPlanetCtr: Asteroid 2013 RU73 discovered…. RT @MinorPlanetCtr: Asteroid 2013 RU73 discovered. Flyby Sep 16 at 03:41 UT. Dist: 28.71 LD. Size: 26-82 m. bit.ly/17C9jcW