<P> Most commercial communications satellites, broadcast satellites and SBAS satellites operate in geostationary orbits . A geostationary transfer orbit is used to move a satellite from low Earth orbit (LEO) into a geostationary orbit . The first satellite placed into a geostationary orbit was the Syncom - 3, launched by a Delta D rocket in 1964 . </P> <P> A worldwide network of operational geostationary meteorological satellites is used to provide visible and infrared images of Earth's surface and atmosphere . These satellite systems include: </P> <Ul> <Li> the United States GOES </Li> <Li> Meteosat, launched by the European Space Agency and operated by the European Weather Satellite Organization, EUMETSAT </Li> <Li> the Japanese Himawari </Li> <Li> Chinese Fengyun </Li> <Li> India's INSAT series </Li> </Ul> <Li> the United States GOES </Li>

What is the angular speed of a satellite in a geo-synchronous orbit around the earth