geo·​syn·​chro·​nous | \ ˌjē-ō-ˈsiŋ-krə-nəs How to pronounce geosynchronous (audio) , -ˈsin-\

Definition of geosynchronous

: being or having an orbit around the earth with a period equal to one sidereal day specifically : geostationary

Examples of geosynchronous in a Sentence

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Sure, space is huge, far larger than all the other spheres of warfare put together, even if one simply counts the distance from Earth to the geosynchronous satellites some 22,000 miles up. Michael O’hanlon, WSJ, "There’s No ‘Jungle Force.’ Who Needs a Space Force?," 27 June 2018 Large communications satellites of the sort SpaceX deals with are usually boosted into what are known as geosynchronous orbits, 35,786km above the equator. The Economist, "Is New Zealand the world’s best rocket-launching site?," 5 Apr. 2018 Their planet might be orbited by billions or trillions of geosynchronous satellites instead of our measly 400. NBC News, "Alien satellites might offer a new way to find E.T.," 19 Mar. 2018 Staying over one spot makes geosynchronous satellites sitting ducks but also protects them. Joe Pappalardo, Popular Mechanics, "Could a Chinese Space Junk Laser Double as a Weapon?," 17 Jan. 2018 Many of the satellites that are ripe military targets are in geosynchronous orbits. Joe Pappalardo, Popular Mechanics, "Could a Chinese Space Junk Laser Double as a Weapon?," 17 Jan. 2018 Indeed, sci-fi author Arthur C. Clarke had written up a prescient scheme predicting the use of geosynchronous satellites for communications as early as 1945. NBC News, "Sputnik Shook the Nation 60 Years Ago. That Could Happen Again," 4 Oct. 2017 High Earth orbit satellites, also called geosynchronous satellites, stay above one particular location over the equator at about 22,000 miles above the planet. Elizabeth Weise, USA TODAY, "The satellite phone supply is running out as all head to Puerto Rico," 29 Sep. 2017 The Minotaur IV, the rocket that sent the ORS-5 SensorSat into geosynchronous orbit, is no ordinary space rocket. Kyle Mizokami, Popular Mechanics, "The Air Force Uses Ex-Nuclear Missiles to Loft Satellites Into Space," 28 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'geosynchronous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of geosynchronous

1968, in the meaning defined above

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The first known use of geosynchronous was in 1968

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