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Detailed explanation-1: -Geosynchronous Transfer Orbit. To attain geosynchronous (and also geostationary) Earth orbits, a spacecraft is first launched into an elliptical orbit with an apoapsis altitude in the neighborhood of 37, 000 km. This is called a Geosynchronous Transfer Orbit (GTO).

Detailed explanation-2: -Geostationary orbit (GEO) This makes satellites in GEO appear to be ‘stationary’ over a fixed position. In order to perfectly match Earth’s rotation, the speed of GEO satellites should be about 3 km per second at an altitude of 35 786 km. This is much farther from Earth’s surface compared to many satellites.

Detailed explanation-3: -A geostationary orbit, also referred to as a geosynchronous equatorial orbit (GEO), is a circular geosynchronous orbit 35, 786 km (22, 236 mi) in altitude above Earth’s equator (42, 164 km (26, 199 mi) in radius from Earth’s center) and following the direction of Earth’s rotation.