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(153814) 2001 WN5

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Jpldata::earth    Orbit::title    Asteroid::apollo    Removed::object    Years::neodys    Close::sentry

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(153814) 2001 WN5 is a near-Earth Asteroid belonging to the Apollo family.<ref name=jpldata/> It was first discovered by the LONEOS Project at Anderson Mesa on November 20, 2001,<ref name=jpldata/> and was later classified as a Potentially Hazardous Asteroid (PHA). It was removed from the Sentry Risk Table on January 30, 2002.<ref name="removed"/> There are precovery images dating back to February 10, 1996.<ref name=jpldata/> The orbit is well determined with an observation arc of 14.9 years using two radar delay observations, and has an Uncertainty Parameter of 0.<ref name=jpldata/> The asteroid will pass within 250,000 km (0.65 lunar distances) from the Earth on June 26, 2028.<ref name=jpl-close/> During the close approach, the asteroid should peak at about apparent magnitude 6.7,<ref name="NEODyS2028"/> and will be visible in binoculars. It has an absolute magnitude (H) of 18.2.<ref name=jpldata/> Depending on its characteristics and albedo, it is estimated to be 700 to 1,500 meters in diameter.<ref name="h"/>


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