circum-earth orbit

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• GEO — Geostationary Earth Orbit (Anglais. En franc. = Orbite circum terrestre géostationnaire). Orbite circulaire, au niveau de l équateur, et parcourue à la même vitesse que celle de la rotation de la terre. Orbite dite haute : autour de 36000 km… …   Sigles et Acronymes francais

• LEO — Low Earth Orbit (Anglais. En franc. = Orbite (circum )ter restre basse). À moins de 1 500 km de la terre. On y place souvent des satellites moins coûteux, utilisés par groupes, (voir aussi GEO et MEO) …   Sigles et Acronymes francais

• MEO — Medium Earth Orbit (Anglais. En franc. = Orbite circum terrestre moyenne). En moyenne à 10000 km (voir aussi GEO et LEO) …   Sigles et Acronymes francais

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