Medium Earth Orbit

Medium Earth Orbit

Medium Earth Orbit (MEO), sometimes called Intermediate Circular Orbit (ICO), is the region of space around the Earth above low Earth orbit (convert|2000|km|mi|0) and below geostationary orbit (convert|35786|km|mi|0). [ [http://e-words.us/w/MEO.html MEO 【Intermediate Circular Orbit】 (Medium Earth Orbit) - e-Words - A Glossary of Computers and Internet ] ]

The most common use for satellites in this region is for navigation, such as the GPS (convert|20200|km|mi|0), Glonass (convert|19100|km|mi|0) and Galileo (convert|23222|km|mi|0) constellations. Communications satellites that cover the North and South Pole are also put in MEO. [ [http://ww2.intelsat.com/resources/satellitebasics/answers.aspx?ques=2 Satellite Basics: Solution Benefits ] ]

The orbital periods of MEO satellites range from about 2 to 24 hours. [ [http://searchmobilecomputing.techtarget.com/sDefinition/0,,sid40_gci501833,00.html What is MEO satellite? - a definition from Whatis.com - see also: MEO, medium earth orbit satellite ] ] Telstar, one of the first and most famous experimental satellites, orbits in MEO. [ [http://iml.jou.ufl.edu/projects/Fall99/Coffey/MEO.HTM Medium Earth Orbit ] ]

ee also

* List of orbits
* Low Earth Orbit (LEO)
* Highly Elliptical Orbit (HEO)
* Geostationary Earth Orbit (GEO)
* Geosynchronous Orbit (GSO)

Notes


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