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  2. List of first satellites by country - Wikipedia

    en.wikipedia.org/wiki/List_of_first_satellites...

    As of 19 December 2024, over eighty countries have operated artificial satellites. ... and have yet to launch a satellite into orbit. Country Payload Carrier rocket

  3. Timeline of first orbital launches by country - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_first_orbital...

    Many other countries, such as Mexico, Poland, Chile, Japan and India, launched their own satellites on one of the foreign launchers listed above, the first being British owned and operated; American-built satellite Ariel 1, which was launched by a US rocket in April 1962.

  4. 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 ...

  5. Category:Satellites by country - Wikipedia

    en.wikipedia.org/wiki/Category:Satellites_by_country

    Category: Satellites by country. 34 languages. ... This category has the following 69 subcategories, out of 69 total. -European Space Agency satellites (4 C, ...

  6. Satellite navigation - Wikipedia

    en.wikipedia.org/wiki/Satellite_navigation

    Three of the satellites are placed in geostationary orbit (GEO) and the remaining 4 in geosynchronous orbit (GSO) to have a larger signal footprint and lower number of satellites to map the region. It is intended to provide an all-weather absolute position accuracy of better than 7.6 metres (25 ft) throughout India and within a region extending ...

  7. Timeline of artificial satellites and space probes - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_artificial...

    X-ray satellite shows that X-ray bursts have blackbody spectra Indonesia: Palapa A1: Earth: Success: Launched by US, The First Indonesian GEO Satellite for domestic Communication 1977 US: HEAO-1: Earth: Success: X-ray satellite US: Voyager 1 Voyager 2: Jupiter: Success: Sent back images of Jupiter and its system Soviet Union: Kosmos 954: Earth ...

  8. Satellite - Wikipedia

    en.wikipedia.org/wiki/Satellite

    Many communications satellites are in geostationary orbit 22,236 miles (35,785 km) above the equator, so that the satellite appears stationary at the same point in the sky; therefore the satellite dish antennas of ground stations can be aimed permanently at that spot and do not have to move to track the satellite.

  9. List of Earth observation satellites - Wikipedia

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

    Part of the Polar Operational Environmental Satellites (POES) program. NOAA-20: Active NASA and NOAA: 2017 Part of the Joint Polar Satellite System (JPSS) program. Oceansat-2: Active ISRO: 2009 OCO-2: Active NASA 2014 Orbiting Carbon Observatory 2. Part of the A-Train. The second precise carbon dioxide observing satellite after GOSAT. PACE ...