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  2. List of satellites in geosynchronous orbit - Wikipedia

    en.wikipedia.org/wiki/List_of_satellites_in...

    This is a list of satellites in geosynchronous orbit (GSO). These satellites are commonly used for communication purposes, such as radio and television networks, back-haul, and direct broadcast. Traditional global navigation systems do not use geosynchronous satellites, but some SBAS navigation satellites do.

  3. List of Earth observation satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_Earth_observation...

    Earth observation satellite missions developed by the ESA as of 2019. Earth observation satellites are Earth-orbiting spacecraft with sensors used to collect imagery and measurements of the surface of the earth. These satellites are used to monitor short-term weather, long-term climate change, natural disasters.

  4. List of GOES satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_GOES_satellites

    SMS-derived GOES satellite This is a list of Geostationary Operational Environmental Satellites . GOES spacecraft are operated by the United States National Oceanic and Atmospheric Administration , with NASA responsible for research and development, and later procurement of spacecraft.

  5. List of GPS satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_GPS_satellites

    Samples of three GPS satellites' orbits over a five-year period (2013 to 2018) USA-242 · USA-239 · USA-151 · Earth As of 19 December 2024, 83 Global Positioning System navigation satellites have been built: 30 are launched and operational, 1 is launched and undergoing the commissioning process, 3 are in reserve or testing, 43 are retired, 2 were lost during launch, and 1 prototype was never ...

  6. Geosynchronous orbit - Wikipedia

    en.wikipedia.org/wiki/Geosynchronous_orbit

    The Tundra orbit is an eccentric geosynchronous orbit, which allows the satellite to spend most of its time dwelling over one high latitude location. It sits at an inclination of 63.4°, which is a frozen orbit, which reduces the need for stationkeeping. [23] At least two satellites are needed to provide continuous coverage over an area. [24]

  7. Geostationary orbit - Wikipedia

    en.wikipedia.org/wiki/Geostationary_orbit

    The European Space Agency telecom satellite Olympus-1 was struck by a meteoroid on August 11, 1993, and eventually moved to a graveyard orbit, [60] and in 2006 the Russian Express-AM11 communications satellite was struck by an unknown object and rendered inoperable, [61] although its engineers had enough contact time with the satellite to send ...

  8. List of TDRS satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_TDRS_satellites

    Location of TDRS as of 26 May 2020 Location of TDRS as of March 2019. This is a list of Tracking and Data Relay Satellites.TDRS spacecraft are all in geostationary orbit and are operated by the United States National Aeronautics and Space Administration, and are used for communication between NASA facilities and spacecraft, [1] including the Space Shuttle, Hubble Space Telescope, and ...

  9. List of BeiDou satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_BeiDou_satellites

    BeiDou-2, second generation validation satellite 2 Compass-G2 14 April 2009 16:16 Xichang, LC-2 Long March 3C: N/A GEO drifting Retired: BeiDou-2 - Sent to GEO graveyard Orbit by Shijian-21 space Debris mitigation satellite or orbital servicing vehicle in January 2022. [10] 3 Compass-G1 16 January 2010 16:12 Xichang, LC-2 Long March 3C: N/A GEO ...

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