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On October 19, 2018 Earth was grazed by a small asteroid designated as ‘2018 UA’. The space rock was discovered by the NASA-funded and University of Arizona based Catalina Sky Survey only 10 hours before its closest approach.

For only the third time in history a near-Earth asteroid was discovered before impacting Earth. Remarkably, all three objects have been discovered by one observer at the Catalina Sky Survey.

The Catalina Sky Survey has been a leader in NEO surveying and discovery for two decades, and recent upgrades to hardware, software and survey strategies have pushed discoveries to all-time records.

Catalina Sky Survey observer's succesfully acquired images of SpaceX's Falcon Heavy fast receeding payload: a Tesla Roadster. Enjoy the full story on UA News. (Above Image: SpaceX)

Two new asteroids discovered by the Catalina Sky Survey had cosmically close flybys, passing between the Earth and moon.

Telescope and surveying advances at the Catlaina Sky Survey have dramatically increased Near-Earth object (NEO) discoveries.

An already unusual solar system object has just become even more curious

The object known to astronomers as (457175) 2008 GO98, once thought to be a Hilda-type asteroid is now showing signs of cometary activity.

June 30th, Asteroid Day provides Catalina Sky Survey experts a world-wide stage to explain the science of discovering near-Earth asteroids.