Uncertainty Surrounds Next Week’s Asteroid Flyby | Space.com

This graphic depicts the orbit of asteroid 2013 TX68, which will fly by Earth on March 8, 2016. The asteroid poses no threat to Earth during this flyby or in the foreseeable future. Credit: NASA/JPL-Caltech – See more at: http://www.space.com/32113-asteroid-2013-tx68-earth-flyby-uncertainty.html#sthash.35Cs5PGw.dpuf

A decent-size asteroid will zoom past Earth next week, but astronomers aren’t sure exactly when the flyby will happen, or just how close the space rock is going to get.

The latest observations suggest that the 100-foot-wide (30 meters) near-Earth asteroid 2013 TX68 will come within about 3 million miles (5 million kilometers) of Earth’s surface on March 8, NASA researchers said. But it’s also possible that the space rock will get much, much closer — 15,000 miles (24,000 km) or so, which is inside the planet’s ring of geostationary satellites.

Despite all of the uncertainty — researchers originally thought the flyby was going to happen on Saturday (March 5) — there is nothing to fear from 2013 TX68, scientists said. The space rock has no chance of hitting Earth on this pass, or on any future close approaches over the next century.

“There is no concern whatsoever regarding this asteroid — unless you were interested in seeing it with a telescope,” Paul Chodas, manager of NASA’s Center for Near-Earth Object Studies at the Jet Propulsion Laboratory in Pasadena, California, said in a statement.

“Prospects for observing this asteroid, which were not very good to begin with, are now even worse because the asteroid is likely to be farther away, and therefore dimmer than previously believed,” Chodas added.

– See more at: http://www.space.com/32113-asteroid-2013-tx68-earth-flyby-uncertainty.html#sthash.35Cs5PGw.dpuf

Sorgente: Uncertainty Surrounds Next Week’s Asteroid Flyby | space.com

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