The Astronautics Vocabulary is a glossary of terms that pertain to the science and technology of spaceflight. This alphabetical list can be navigated by clicking on the letters A-Z displayed on this page.
Definition: A satellite in geostationary orbit travels at exactly the same speed as the Earth is rotating below it. A satellite in geostationary orbit is very high up, at 35,850 km above the Earth. Geostationary satellites are always located directly above the equator.