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Asteroid Will Miss Earth By "Comfortable Distance" In 2028, NASA Predicts

Date:
March 13, 1998
Source:
NASA/Jet Propulsion Laboratory
Summary:
Asteroid 1997 XF11 will pass well beyond the Moon's distance from Earth in October 2028 with a zero probability of impacting the planet, according to astronomers at NASA's Jet Propulsion Laboratory, Pasadena, CA.

Asteroid 1997 XF11 will pass well beyond the Moon's distance from Earth in October 2028 with a zero probability of impacting the planet, according to astronomers at NASA's Jet Propulsion Laboratory, Pasadena, CA.

The asteroid "is predicted to pass at a rather comforable distance of about 600,000 miles (about 960,000 kilometers) in 2028," reported Dr. Donald K. Yeomans and Dr. Paul W. Chodas, JPL scientists who specialize in computing the predicted orbits of comets, asteroids, planets and other bodies in the solar system.

Data on the asteroid from March 1990 (well before its discovery in December 1997) was integrated into the orbit calculations by Yeomans and Chodas to arrive at the distance the asteroid will pass Earth. The 1990 observations of the object were found today in the Palomar Planet Crossing Asteroid Survey conducted at Caltech's Palomar Observatory, by JPL's Eleanor Helin and Ken Lawrence and by Brian Roman, formerly of JPL.

Even prior to the discovery of the earlier Palomar observations, however, Yeomans and Chodas had determined that the impact probability would be zero. The new calculations further underscore that conclusion, they said.

JPL is a division of the California Institute of Technology.

NASA's Ames Research Center provides a general discussion of the issues on its Asteroid and Comet Impact Hazards Web site. Click here for the Harvard-Smithsonian Center for Astrophysics' original Press Information Sheet on 1997 XF 11.


Story Source:

The above story is based on materials provided by NASA/Jet Propulsion Laboratory. Note: Materials may be edited for content and length.


Cite This Page:

NASA/Jet Propulsion Laboratory. "Asteroid Will Miss Earth By "Comfortable Distance" In 2028, NASA Predicts." ScienceDaily. ScienceDaily, 13 March 1998. <www.sciencedaily.com/releases/1998/03/980313024502.htm>.
NASA/Jet Propulsion Laboratory. (1998, March 13). Asteroid Will Miss Earth By "Comfortable Distance" In 2028, NASA Predicts. ScienceDaily. Retrieved July 31, 2014 from www.sciencedaily.com/releases/1998/03/980313024502.htm
NASA/Jet Propulsion Laboratory. "Asteroid Will Miss Earth By "Comfortable Distance" In 2028, NASA Predicts." ScienceDaily. www.sciencedaily.com/releases/1998/03/980313024502.htm (accessed July 31, 2014).

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