Glossary
Terms
NEO (near-Earth object)
Definition
An asteroid or comet with a perihelion distance less than or equal to 1.3 au. 99% of NEOs are asteroids. See the CNEOS website page on NEO Groups for more information.
An asteroid or comet with a perihelion distance less than or equal to 1.3 au. 99% of NEOs are asteroids. See the CNEOS website page on NEO Groups for more information.
