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  2. List of BeiDou satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_BeiDou_satellites

    This is a list of past and present satellites of the BeiDou/Compass navigation satellite system.As of December 2023, 44 satellites are operational: 7 in geostationary orbits (GEO), 10 in 55° inclined geosynchronous orbits (IGSO) and 27 in Medium Earth orbits (MEO).

  3. BeiDou - Wikipedia

    en.wikipedia.org/wiki/BeiDou

    The third satellite, BeiDou-1C (a backup satellite), was put into orbit on 25 May 2003. [28] The successful launch of BeiDou-1C also meant the establishment of the BeiDou-1 navigation system. On 2 November 2006, China announced that from 2008 BeiDou would offer an open service with an accuracy of 10 metres, timing of 0.2 microseconds, and speed ...

  4. Jason-1 - Wikipedia

    en.wikipedia.org/wiki/Jason-1

    Jason-1 [1] was a satellite altimeter oceanography mission. It sought to monitor global ocean circulation, study the ties between the ocean and the atmosphere, improve global climate forecasts and predictions, and monitor events such as El Niño and ocean eddies. [2]

  5. Surface Water and Ocean Topography - Wikipedia

    en.wikipedia.org/wiki/Surface_Water_and_Ocean...

    The satellite will fly two radar antennas at either end of a 10 m (33 ft) mast, allowing it to measure the elevation of the surface across a 120 km (75 mi) wide swath. The new radar system is smaller than, but similar to, the one that flew on NASA's Shuttle Radar Topography Mission (SRTM), which made high-resolution measurements of Earth's land ...

  6. Satellite - Wikipedia

    en.wikipedia.org/wiki/Satellite

    This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. Objects intentionally placed into orbit This article is about human-made satellites. For moons, see Natural satellite. For other uses, see Satellite (disambiguation). Two CubeSats orbiting around Earth after being deployed from the ISS Kibō module's Small Satellite Orbital Deployer A ...

  7. KH-11 KENNEN - Wikipedia

    en.wikipedia.org/wiki/KH-11_KENNEN

    The first Misty satellite, USA-53, was released by the Space Shuttle Atlantis on mission STS-36 in 1990. The USA-144 satellite, launched on 22 May 1999 by a Titan IVB from Vandenberg Air Force Base may have been a second Misty satellite, [53] or an Enhanced Imaging System spacecraft. The satellites are sometimes identified as KH-12s.

  8. OSTM/Jason-2 - Wikipedia

    en.wikipedia.org/wiki/OSTM/Jason-2

    The decommissioning of the satellite took some days; the final decommissioning activities on the satellite ended 9 October 2019, with the satellite rendered fully inactive. [15] Because Jason-2 is orbiting at an altitude of over 1,300 km (810 mi), NASA estimates that it will remain in orbit for at least 500 to 1,000 years after decommissioning.

  9. O3b - Wikipedia

    en.wikipedia.org/wiki/O3b

    O3b is a satellite constellation in Medium Earth orbit (MEO) owned and operated by SES, and designed to provide lower-latency broadband connectivity to remote locations for mobile network operators and internet service providers, maritime, aviation, and government and defence.