Catalog Of Earth Satellite Orbits [Earth Orbits And Their Uses]

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Link: Catalog of Earth Satellite Orbits : Feature Articles

 

...There are essentially three types of Earth orbits: high Earth orbit, medium Earth orbit, and low Earth orbit. Many weather and some communications satellites tend to have a high Earth orbit, farthest away from the surface. Satellites that orbit in a medium (mid) Earth orbit include navigation and specialty satellites, designed to monitor a particular region. Most scientific satellites, including NASA’s Earth Observing System fleet, have a low Earth orbit...