// ORBITAL LOGISTICS AND PROPULSION TERM

GEO Satellite

A satellite that stays in a fixed position relative to the Earth's surface, orbiting at about 36,000 km above the equator, making it ideal for continuous coverage over a large area.

GEO Satellite — illustration from Wikipedia
Image via Wikipedia

TECHNICAL DEFINITION

A Geostationary Earth Orbit (GEO) Satellite is a spacecraft orbiting approximately 35,786 km above the equator, matching Earth's rotational period, providing continuous, stationary coverage to a wide geographic area for telecommunications, broadcasting, and meteorology.

BACKGROUND

China has one of the most active space programs in the world. With launch vehicles of the Long March rocket family and four spaceports, China conducts the most or second most orbital launches each year. China's fleet of over 1,300 Earth orbit satellites serves communication, navigation, reconnaissance and scientific research. China Manned Space Program operates Tiangong, one of two active space stations alongside the International Space Station (ISS). China National Space Administration (CNSA) has achieved robotic rover, lander, and orbiter missions to the Moon and Mars.

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SYNONYMS & ALIASES

  • Geostationary satellite
  • GEO
  • geosynchronous satellite
  • GSO satellite

USAGE NOTE

GEO satellites are foundational for global television broadcasting and long-haul telecommunications.

DEVELOPERS

Organizations developing technology related to GEO Satellite.

  • Maxar Technologies

    A leading provider of space technology, Maxar designs and manufactures geostationary communication satellites and provides advanced satellite imagery and geospatial intelligence services.

  • Lockheed Martin

    A global aerospace and defense company, Lockheed Martin develops and builds a wide range of GEO satellites for communication, missile warning, and other national security applications.

  • Boeing

    Boeing Satellite Systems is a major manufacturer of commercial and government geostationary communication satellites, known for its expertise in high-throughput satellite technology.

  • Airbus Defence and Space

    A European leader in space technology, Airbus designs, manufactures, and operates a broad portfolio of GEO satellites for telecommunications, observation, and navigation.

  • Thales Alenia Space

    A joint venture between Thales and Leonardo, Thales Alenia Space is a key player in the design and production of geostationary satellites for telecommunications, Earth observation, and navigation.

  • Northrop Grumman

    Northrop Grumman designs and builds advanced GEO satellites, particularly for national security space missions, including communication, missile warning, and intelligence applications.

  • SpaceX

    While known for its Starlink LEO constellation, SpaceX's Falcon 9 and Falcon Heavy rockets are primary launch vehicles for many commercial and government GEO satellites globally, enabling their deployment.

  • Eutelsat

    One of the world's leading satellite operators, Eutelsat owns and operates a fleet of geostationary satellites providing video, data, government, and broadband services across multiple continents.

  • Intelsat

    A pioneer in satellite communications, Intelsat operates one of the world's largest integrated satellite and terrestrial networks, primarily utilizing a fleet of GEO satellites for global connectivity.

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