Orbits and mechanics
轨道
Orbit
The path an object follows while falling around another body.
Low Earth orbit needs about 7.8 km/s and takes roughly 90 minutes per lap.
Related terms
- Low Earth orbit (LEO) — Orbit between roughly 160 and 2000 km, where most stations and constellations live.
- Geostationary orbit (GEO) — Orbit at 35,786 km whose period equals one sidereal day.
- Geostationary transfer orbit (GTO) — An elliptical transfer orbit with a low perigee and an apogee near GEO.
- Sun-synchronous orbit (SSO) — An orbit whose plane keeps a nearly fixed angle to the Sun.