Asteroid / Comet
Long-period Comet
A comet from the Oort Cloud.
Comets with orbital periods of thousands to millions of years, arriving from the spherical Oort Cloud at the Solar System's edge.
Overview
Comets with orbital periods of thousands to millions of years, arriving from the spherical Oort Cloud at the Solar System's edge.
See also
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.
Sungrazing Comet
A comet that flies through the Sun's outer atmosphere.
Kreutz Sungrazers
A family of sungrazers from one ancient parent comet.
Meteoroid
A small chunk of cometary or asteroidal debris in space.