Medium Earth orbit
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A medium Earth orbit is an Earth-centered orbit with an altitude above a low Earth orbit and below a high Earth orbit – between 2,000 and 35,786 km above sea level.
To-scale diagram of low, medium, and high Earth orbits
A camera photo of Earth from a distance of 29,400 kilometers (18,300 miles), a distance of higher medium Earth orbits (uncropped and unrotated The Blue Marble image, from Apollo 17 during lunar transfer)
Low Earth orbit
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A low Earth orbit is an orbit around Earth with a period of 128 minutes or less and an eccentricity less than 0.25. Most of the artificial objects in outer space are in LEO, peaking in number at an al
Medium Earth orbit
…A medium Earth orbit (MEO) is an Earth-centered orbit with an altitude above a low Earth orbit (LEO) and below a high Earth orbit (HEO) – between 2,000 and 35,786 km (1,243 and 22,236 mi) above sea level. The boundary between MEO and LEO is an…
A view from the International Space Station, in a low Earth orbit (LEO) at about 400 km (250 mi), with yellow-green airglow visible at Earth's horizon, where roughly at an altitude of 100 km (62 mi) the boundary between Earth and outer space lies and flying speeds reach orbital velocities