Orbits of Potentially Hazardous Asteroids
This graphic shows the orbits of all the known Potentially Hazardous Asteroids (PHAs). Over 1,400 asteroids that we no about are considered hazardous because they follow orbits that pass close to the Earth’s orbit.

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This graphic shows the orbits of all the known Potentially Hazardous Asteroids (PHAs). Over 1,400 asteroids that we no about are considered hazardous because they follow orbits that pass close to the Earth’s orbit.
More information about asteroids and near-Earth objects is at: http://www.jpl.nasa.gov/asteroidwatch.
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