Near-Earth objects

Alternative definitions (0), class: vernacular (0)
Term: Near-Earth objects

An asteroid, comet, or large meteoroid whose orbit brings it exceptionally close to the Earth, and which may therefore pose a collision danger. Most such objects are in orbits around the Sun with perihelion distance less than 1.3 astronomical units.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan