Asteroid / Comet
Near-Earth Asteroid
An asteroid whose orbit ventures near Earth.
Asteroids with perihelia under 1.3 AU. Subgroups include Atira, Aten, Apollo and Amor; some are potentially hazardous.
Overview
Asteroids with perihelia under 1.3 AU. Subgroups include Atira, Aten, Apollo and Amor; some are potentially hazardous.
See also
Trojan Asteroid
An asteroid sharing a planet's orbit at L4 or L5.
Trans-Neptunian Object (TNO)
Any minor body orbiting beyond Neptune.
Scattered Disc Object
An icy body on a highly eccentric outer-system orbit.
Short-period Comet
A comet with an orbital period under 200 years.
Halley-type Comet
A short-period comet with a long, tilted orbit.
Encke-type Comet
A short-period comet that stays inside Jupiter's orbit.