• Thumbnail for Orbit
    To a close approximation, planets and satellites follow elliptic orbits, with the center of mass being orbited at a focal point of the ellipse, as described...
    57 KB (8,169 words) - 14:18, 18 June 2024
  • Thumbnail for Geostationary orbit
    the first satellite to be placed in this kind of orbit was launched in 1963. Communications satellites are often placed in a geostationary orbit so that...
    49 KB (4,861 words) - 05:05, 11 June 2024
  • Thumbnail for Satellite
    A satellite or artificial satellite is an object, typically a spacecraft, placed into orbit around a celestial body. Satellites have a variety of uses...
    60 KB (6,338 words) - 16:05, 13 July 2024
  • This is a list of satellites in geosynchronous orbit (GSO). These satellites are commonly used for communication purposes, such as radio and television...
    65 KB (729 words) - 23:00, 25 April 2024
  • Thumbnail for Geosynchronous orbit
    equal to 0. A satellite in a geostationary orbit remains in the same position in the sky to observers on the surface. Communications satellites are often...
    32 KB (3,171 words) - 19:30, 12 March 2024
  • Thumbnail for Low Earth orbit
    depending on orbit height. Orbits of satellites that reach altitudes below 300 km (190 mi) decay fast due to atmospheric drag. Objects in LEO orbit Earth between...
    20 KB (2,226 words) - 14:14, 26 June 2024
  • Thumbnail for Communications satellite
    satellites are used for television, telephone, radio, internet, and military applications. Many communications satellites are in geostationary orbit 22...
    49 KB (5,931 words) - 00:18, 13 June 2024
  • Thumbnail for Starlink
    launching Starlink satellites in 2019. As of early March 2024, it consists of over 6,000 mass-produced small satellites in low Earth orbit (LEO) that communicate...
    267 KB (22,476 words) - 00:37, 12 July 2024
  • Thumbnail for Molniya orbit
    A Molniya orbit (Russian: Молния, IPA: [ˈmolnʲɪjə] , "Lightning") is a type of satellite orbit designed to provide communications and remote sensing coverage...
    28 KB (3,094 words) - 12:32, 5 July 2024
  • Thumbnail for Graveyard orbit
    graveyard orbit is a supersynchronous orbit well beyond geosynchronous orbit. Some satellites are moved into such orbits at the end of their operational life...
    8 KB (1,003 words) - 01:03, 3 May 2024