Chitral Astronomical Society

Chitral Astronomical Society

Skies over the Hindu Kush

Encyclopedia

Concept

Co-orbital Object

A body sharing another's orbit around its star.

Any object on essentially the same orbit as a planet — includes Trojans, horseshoe librators and quasi-satellites.

Overview

Any object on essentially the same orbit as a planet — includes Trojans, horseshoe librators and quasi-satellites.

See also

Strömgren Sphere

The ionised bubble around a hot star.

Exoplanets

Worlds orbiting other stars.

Perihelion

The closest point in an orbit to the Sun.

Aphelion

The farthest point in an orbit from the Sun.

Perigee

The closest point in an Earth-centred orbit.

Apogee

The farthest point in an Earth-centred orbit.