High Earth orbit

Astrophysical Concepts

A high Earth orbit is a geocentric orbit whose apogee is farther from Earth than the geosynchronous orbit, at 35,786 km (22,236 mi). The non-standard abbreviation HEO is used for high Earth orbit. Such orbits are described as supporting space exploration, astronomy, Earth science, global communication and navigation. Earth’s Hill sphere extends to 1,471,400 km (914,300 mi), including halo orbits and orbits around Sun-Earth Lagrange points.

Orbit type: Geocentric orbit
Apogee threshold: Farther than 35,786 km (22,236 mi) from Earth
Abbreviation: HEO, non-standard

Sources and credits

Article: High Earth orbit (English Wikipedia)
Wikidata: Q218056
Text: Card text is adapted from the English Wikipedia article by an automated summary. Wikipedia content is available under CC BY-SA 4.0; see the article history for its contributors. CC BY-SA 4.0 · Article history and contributors
Illustration: By NASA illustration by Robert Simmon/Nsae Comp. Public domain · File page on Wikimedia Commons
NASA illustration by Robert Simmon/Nsae Comp, https://earthobservatory.nasa.gov/features/OrbitsCatalog
Modifications: Resized and converted to WebP
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