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单词 geosynchronous transfer orbit
释义
geosynchronous transfer orbit

Space Exploration
  • The initial elliptical orbit of an artificial satellite destined for a circular geosynchronous orbit or geostationary orbit. The GTO altitude at its apoapsis (furthest point from the Earth) is about 37 000 km. The satellite then moves to a circular orbit by rotating parallel to the Earth's equator at apoapsis and firing its rocket engine.

    Launch vehicles are often compared by the weights they can lift into GTO.


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