Astronautics Vocabulary

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 of heliosynchronous

Translation: héliosynchrone

Definition: Refers to the Earth orbit of a spacecraft whereby the craft is always in the same direction relative to that of the sun; as a result, the spacecraft passes over the equator at the same spots at the same time.

Other Definition: None

Synonym: None