TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

ORBIT CONTROL [2 records]

Record 1 2017-11-03

English

Subject field(s)
  • Spacecraft

French

Domaine(s)
  • Engins spatiaux
DEF

Ensemble des manœuvres de maintien d'un satellite artificiel sur une orbite déterminée.

OBS

correction d'orbite : terme uniformisé par le Comité d'uniformisation de la terminologie spatiale (CUTS).

Spanish

Campo(s) temático(s)
  • Naves espaciales
Save record 1

Record 2 2007-01-31

English

Subject field(s)
  • Launching and Space Maneuvering
CONT

Orbit control [consists in] controlling satellites to keep [them] flying on the designated orbit. When a satellite flies in low earth orbit (LEO), it gradually descends due to air drag. It is necessary to push the satellite back to the original orbit by activating station-keeping thrusters. Geostationary satellites do not descend due to air drag, however, they do de-orbit from their designated stationary position because the gravitational field of the Earth is not uniform and because the gravitational pull of the Sun and the Moon alters their orbit. In a similar way, geostationary satellites are pushed back to their original position by activating station-keeping thrusters.

OBS

orbit control: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
DEF

Maintien d'un satellite sur son orbite.

CONT

Contrôle d'orbite autonome pour le maintien à poste de satellites.

OBS

contrôle d'orbite : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

Campo(s) temático(s)
  • Lanzamiento y maniobras en el espacio
DEF

Mantenimiento de un satélite artificial dentro de sus boxes de órbita y actitud por medio de la ejecución de maniobras de corrección.

Save record 2

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