near-earth object


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near-earth object

[‚nir ′ərth ‚äb‚jekt]
(astronomy)
An asteroid or comet whose orbit takes it within 1.3 astronomical units of the sun.
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The asteroid's velocity at the time of closest approach, 76,000 mph (34 km per second), is higher than the majority of near-earth objects during an earth flyby.
The Super Bowl with the most recorded flybys in NASA's near-Earth object log is Super Bowl 50, the 2016 contest in which the Denver Broncos beat the Carolina Panthers.
JPL hosts the Center for Near-Earth Object Studies (CNEOS).
Near-Earth Objects (NEOs) are comets and asteroids that have been nudged by the gravitational attraction of the giant planets in our solar system into orbits that allow them to enter Earth's neighborhood.
There are more than 13,500 near-Earth objects of various sizes that have been spotted to date.
Jay said the issue of near-earth objects was not being taken seriously enough.
Currently, DA14 matches Earth's year-long orbit around the sun, but after passing the Earth on Friday its orbit will change, according to Paul Chodas, a scientist at the Near-Earth Object Program Office of NASA's Jet Propulsion Laboratory.
Although they wouldn't (cause) a global catastrophe if they impact the Earth, they still do a lot of regional destruction," said Lindley Johnson, who oversees the Near-Earth Object Observations Program at NASA headquarters in Washington DC.
Scientists at NASA's Near-Earth Object Program, which tracks asteroids and comets, ruled out any chance of impact.
Incidentally, this asteroid 2011 MD was discovered on 22 June 2011 by a team of scientist in LINEAR near-Earth object discovery team observing from Socorro, New Mexico.
The centre's studies in near-Earth object science alsooffer important contributions to an area of importance to Nasa.
Upon further evaluation, those reports were forwarded to the Minor Planet Center at Harvard University, and eventually on to the Near-Earth Object Program operated by the Jet Propulsion Laboratory at NASA.