Explore relationships
Near-Earth object
Small Solar System body with an orbit that can bring it close to Earth37,000+ known NEOs, divided into several orbital subgroupsApollos: 21,132 (56.5%)Amors: 13,137 (35.1%)Atens: 2,952 (7.90%)Comets: 123 (0.33%)Atiras: 34 (0.09%)A near-Earth object (NEO) is by definition any small Solar System body orbiting the Sun whose closest approach to the Sun (perihelion) is less than 1.3 times the Earth–Sun distance (astronomical unit, AU).
Use + to expand a branch. Click a topic name to open its summary.