Of or pertaining to an asteroid

(astronomy) A naturally occurring solid object, which is smaller than a planet and is not a comet, that orbits a star and often has an irregular shape.

plural of asteroid

(zoology) Any member of the taxonomic class Asteroidea; a starfish

(astrophysics) an asteroid occupying the Trojan points of the Sun-Jupiter system / (astrophysics) by extension, any asteroid occupying a Trojan point

plural of asteroid belt

plural of Trojan asteroid

(astronomy) The main asteroid belt, the region of the orbital plane of the Solar System located between the orbits of Mars and Jupiter which is occupied by numerous minor planets (asteroids) and the dwarf planet Ceres.

(astronomy) A set of orbits in a region that contains asteroids or similar minor planets arrayed as an annulus around the planetary system's orbital center.

Alternative letter-case form of asteroid belt