HEO
Highly-Eccentric Orbiting

HEO satellites have a range of operational altitudes ranging from 7,000km to 45,000km. The higher point of HEO orbits is where the satellite is designed to be exploited. The inclination angle is chosen in order to compensate, either completely or partially the motion of the Earth. This then allows the satellite to cover different parts of the Earth, e.g. Western Europe, North America, or Northern Asia.

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