Geostationary orbit
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 A 5 × 6 degree view of a part of the geostationary belt, showing several geostationary satellites. Those with inclination 0 degrees form a diagonal belt across the image; a few objects with small inclinations to the Equator are visible above this line. Note how the satellites are pinpoint, while stars have created small trails due to the Earth's rotation. |
A geostationary orbit, or Geostationary Earth Orbit (GEO), is a circular orbit above the Earth's equator and following the direction of the Earth's rotation. An object in such an orbit has an orbital period equal to the Earth's rotational period (one sidereal day), and thus appears motionless, at a fixed position in the sky, to ground observers. Communications satellites and weather satellites are often given geostationary orbits, so that the satellite antennas that communicate with them do not have to move to track them, but can be pointed permanently at the position in the sky where they stay. A geostationary orbit is a particular type of geosynchronous orbit.
- See also: Wikipedia
| Graphical derivation of the geostationary orbit ra... Graphical derivation of the geostationary orbit radius for the Earth www.sque.co.uk/physics/geostationary-orbit/ - Web |
| Orbital Mechanics Orbital Mechanics www.braeunig.us/space/orbmech.htm - Web |
| List of satellites in geostationary orbit List of satellites in geostationary orbit www.satsig.net/sslist.htm - Web |
Average relevance
| Clarke Belt Snapshot Calculator Clarke Belt Snapshot Calculator www.golombek.com/sat/ - Web |
| 3D Real Time Satellite Tracking 3D Real Time Satellite Tracking science.nasa.gov/realtime/jtrack/3d/jtrack3d.html - Web |
| Geostationary satellite orbit overview Geostationary satellite orbit overview www.radio-electronics.com/.../geostationary-earth-orbit.php - Web |
