Geostationary orbit
GEO satellite
HEO satellites
LEO satellites
MEO satellites
Satellite state
Orbits the Earth at a distance below 20 000 km.
Nation that is dominated politically or economically by another.
Orbit the Earth at an altitude below 1500 km, just above the ionosphere. It travels at high speeds over the same geographical point several times on one day.
Their orbit is not circular but rather elliptical, and their speed varies according to the elliptical point.
Located over the Equator at a distance of 35 786 km above sea level.
Orbits the Earth in 24 hours, but always stays over the same geographical point.