<P> Near - Earth asteroids , or NEAs , are asteroids that have orbits that pass close to that of Earth . Asteroids that actually cross Earth 's orbital path are known as Earth - crossers . As of June 2016 , 14,464 near - Earth asteroids are known and the number over one kilometer in diameter is estimated to be 900 -- 1,000 . </P>
<P> Near - Earth asteroids , or NEAs , are asteroids that have orbits that pass close to that of Earth . Asteroids that actually cross Earth 's orbital path are known as Earth - crossers . As of June 2016 , 14,464 near - Earth asteroids are known and the number over one kilometer in diameter is estimated to be 900 -- 1,000 . </P>
the asteroids that cross the orbit of earth belong to a group called the
the asteroids that cross the orbit of earth belong to a group called the
Earth - crossers
Earth - crossers