Asteroid 1999 FN53 to Flyby Earth on Thursday

Asteroid 1999 FN53

This graphic depicts the passage of asteroid 1999 FN53, which will come no closer than 26 times the distance from Earth to the moon on May 14, 2015. Credit: NASA/JPL-Caltech

Asteroid 1999 FN53 will safely flyby Earth on May 14 at a distance of no less than 6.3 million miles.

An asteroid, designated 1999 FN53, will safely pass more than 26 times the distance of Earth to the moon on May 14. To put it another way, at its closest point, the asteroid will get no closer than 6.3 million miles away (10 million kilometers). It will not get closer than that for well over 100 years. And even then, (119 years from now) it will be so far away it will not affect our planet in any way, shape, or form. 1999 FN53 is approximately 3,000 feet (1 kilometer) across.

“This is a flyby in the loosest sense of the term,” said Paul Chodas, manager of NASA’s Near-Earth Object Program Office, at the Jet Propulsion Laboratory in Pasadena, California. “We can compute the motion of this asteroid for the next 3,000 years and it will never be a threat to Earth. This is a relatively unremarkable asteroid, and its distant flyby of Earth tomorrow is equally unremarkable.”

NASA detects, tracks, and characterizes asteroids and comets using both ground- and space-based telescopes. Elements of the Near-Earth Object Program, often referred to as “Spaceguard,” discover these objects, characterize a subset of them, and identify their close approaches to determine if any could be potentially hazardous to our planet. NASA’s Near-Earth Object Program is part of the agency’s asteroid initiative, which includes sending a robotic spacecraft to capture a boulder from the surface of a near-Earth asteroid and move it into a stable orbit around the moon for exploration by astronauts, all in support of advancing the nation’s journey to Mars.

JPL manages the Near-Earth Object Program Office for NASA’s Science Mission Directorate in Washington. JPL is a division of the California Institute of Technology in Pasadena.

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