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The attitude and orbit control system(AOCS) is the spacecraft subsystem responsible for determining and controlling the vehicle's orbit and orientation.  5, fiche 1, Anglais, - attitude%20and%20orbit%20control%20system

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attitude and orbit control system; AOCS: designations officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).  6, fiche 1, Anglais, - attitude%20and%20orbit%20control%20system

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attitude and orbital control system; AOCS: designations standardized by NATO.  6, fiche 1, Anglais, - attitude%20and%20orbit%20control%20system

Fiche 1,  Justifications,  Français

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Ensemble d'équipements et de logiciels de bord qui assure les fonctions de pilotage et de guidage d'un engin spatial en vue de lui imposer l'orientation voulue et d'ajuster son orbite aux exigences de la mission.  1, fiche 1, Français, - syst%C3%A8me%20de%20commande%20d%27orientation%20et%20d%27orbite

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système de commande d'orientation et d'orbite : désignations publiées au Journal officiel de la République française le 25 juillet 2015.  6, fiche 1, Français, - syst%C3%A8me%20de%20commande%20d%27orientation%20et%20d%27orbite

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système de commande d'attitude et d'orbite; SCAO : désignations uniformisées par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  6, fiche 1, Français, - syst%C3%A8me%20de%20commande%20d%27orientation%20et%20d%27orbite

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système de commande de l'attitude et de commande en orbite; AOCS : désignations normalisées par l'OTAN.  6, fiche 1, Français, - syst%C3%A8me%20de%20commande%20d%27orientation%20et%20d%27orbite

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

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The RADARSAT-2 spacecraft control subsystem(SCS) provides spacecraft activity planning and scheduling, real-time spacecraft commanding, health and safety monitoring, telemetry archiving, and orbit determination, prediction, and maneuver planning.  2, fiche 2, Anglais, - real%2Dtime%20spacecraft%20commanding

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real-time spacecraft commanding: term officially approved by the RADARSAT-2 Terminology Approval Group (ROAG).  3, fiche 2, Anglais, - real%2Dtime%20spacecraft%20commanding

Fiche 2,  Justifications,  Français

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Le sous-système de contrôle de RADARSAT-2 (SCS) assure la planification et la programmation des activités à bord du satellite de même que la commande en temps réel, le suivi de l'état de santé et de la sécurité, l'archivage de la télémétrie, la détermination et la prévision de l'orbite et la planification des manœuvres du satellite.  2, fiche 2, Français, - commande%20en%20temps%20r%C3%A9el%20du%20satellite

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commande en temps réel du satellite : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  1, fiche 2, Français, - commande%20en%20temps%20r%C3%A9el%20du%20satellite

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

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The ranging subsystem determines the slant range from the ground control station to the satellite for precise transfer and geostationary orbit determination.  2, fiche 3, Anglais, - ranging%20subsystem

Fiche 3,  Justifications,  Français

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Le rôle du sous-système mesure de distance est de fournir une mesure de la distance sol-satellite pour permettre la localisation du satellite.  2, fiche 3, Français, - sous%2Dsyst%C3%A8me%20mesure%20de%20distance

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Fiche 4,  Justifications,  Anglais

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Many spacecraft use small rockets called thrusters to move around in space. Thrusters can change the speed and direction of a spacecraft. They allow a spacecraft to steer in space, to jump to a higher orbit, or to fall back to Earth.  4, fiche 4, Anglais, - thruster

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The control rocket is a vernier or other rocket used to control the attitude of, or slightly change the speed of, a spacecraft.  5, fiche 4, Anglais, - thruster

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The propulsion subsystem featured sets of small thrusters and a main engine. The thrusters were used to perform Odyssey's attitude control and trajectory correction manoeuvres, while the main engine was used to place the spacecraft in orbit around Mars. The main engine, which used hydrazine propellant with nitrogen tetroxide as an oxidiser, produced a minimum thrust of 65. 3 kilograms of force. Each of the four thrusters used for attitude control produce a thrust of 0. 1 kilogram of force. Four 2. 3-kilogram-force thrusters were used for turning the spacecraft. In addition to miscellaneous tubing, pyro valves and filters, the propulsion subsystem also included a single gaseous helium tank used to pressurise the fuel and oxidiser tanks. The propulsion subsystem weighed 49. 7 kilograms.  4, fiche 4, Anglais, - thruster

Fiche 4,  Justifications,  Français

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Moteur-fusée de très petite poussée.  4, fiche 4, Français, - micropropulseur

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Des micropulseurs télécommandés développent des impulsions radiales axiales qui corrigent l'attitude ou la position du satellite sur son orbite.  2, fiche 4, Français, - micropropulseur

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On prévoit dans de nombreux satellites de petits propulseurs [...] dont les emplacements sont fixes.  5, fiche 4, Français, - micropropulseur

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Micropropulseur télécommandé.  6, fiche 4, Français, - micropropulseur

Fiche 4,  Justifications,  Espagnol

Fiche 5,  Justifications,  Anglais

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The spacecraft bus for RADARSAT-2... SAR payload... Thermal Subsystem : In its sun-synchronous orbit, one side of RADARSAT-2 is usually exposed to continuous sunlight. Between the left-and right-looking imaging mode, different areas of the SAR antenna are exposed to varying intensities of sunlight. Thermal control is required to reflect or dissipate the heat of the Sun on the spacecraft body and SAR antenna, as well as to dissipate the heat that is generated internally by the satellite's electronics.  1, fiche 5, Anglais, - thermal%20subsystem

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thermal subsystem: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).  2, fiche 5, Anglais, - thermal%20subsystem

Fiche 5,  Justifications,  Français

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Le système de régulation thermique sert à réfléchir ou à dissiper la chaleur du Soleil sur le corps du satellite et sur l'antenne SAR. Ce système est également utilisé pour dissiper la chaleur qui se dégage de l'équipement électronique à l'intérieur du satellite.  1, fiche 5, Français, - syst%C3%A8me%20thermique%20auxiliaire

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système thermique auxiliaire : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  1, fiche 5, Français, - syst%C3%A8me%20thermique%20auxiliaire

Fiche 5,  Justifications,  Espagnol

Fiche 6,  Justifications,  Anglais

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The Attitude Measurement Electronics uses inputs from the spacecraft Sun Sensors, Attitude and Orbit Control Electronics(AOCE) and ground commands to provide the spacecraft subsystems with refined Sun pulse information, and to control the position of the fuel regulation valves and heaters in the Reaction Control Subsystem. It also takes power from the AOCS power converters and provides power switching for other units within the AOCS.  2, fiche 6, Anglais, - attitude%20measurement%20electronics

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Fiche 6,  Justifications,  Espagnol

Fiche 7,  Justifications,  Anglais

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RCA is developing a Shuttle Compatible Orbital Transfer Subsystem(SCOTS) for delivering communications satellites in a transfer orbit from the Space Shuttle parking orbit. SCOTS includes guidance and control equipment, a solid-rocket motor, and a reusable cradle assembly in the shuttle cargo bay. Separation from the bay is accomplished by a simple spring mechanism to eject the spacecraft into a nonspinning, free-float mode.  1, fiche 7, Anglais, - Shuttle%20Compatible%20Orbital%20Transfer%20Subsystem

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Fiche 8,  Justifications,  Anglais

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TSA(Test & Simulation Assembly). Test station for MACS [Modular Attitude Control System]-based AOCS [Attitude and Orbit Control Subsystem] includes :... software models of spacecraft dynamics, AOCS sensors and AOCS actuators; interpreter for test control language; facilities for sending telecommands and receiving telemetry; tool for displaying simulation data; tool for post processing of test data.  2, fiche 8, Anglais, - test%20%26%20simulation%20assembly

Fiche 8,  Justifications,  Français

Fiche 8,  Justifications,  Espagnol

Fiche 9,  Justifications,  Anglais

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The satellite Attitude Determination and Control Subsystem(ADCS) is used to maintain proper satellite attitude and satellite pointing states. The subsystem also provides real-time information on attitude and orbit.  1, fiche 9, Anglais, - Attitude%20Determination%20and%20Control%20Subsystem

Fiche 9,  Justifications,  Français

Fiche 9,  Justifications,  Espagnol