geostationary

Etymology

geo- + stationary

adj

1. At a fixed distance in three dimensions relative to a particular point on the Earth's surface; generally only possible with orbital satellites.
   The measurement is accomplished by observing the Faraday rotation angle of signals from geostationary satellites on a continuous basis. 1971, Thomas A. Croft, Measurement of a Solar Wind Plasma Stream which Endures Several Months But is Intermittent on a Time Scale of about One Day