TERMIUM Plus®

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

DE-ORBITING [2 records]

Record 1 2017-10-26

English

Subject field(s)
  • Launching and Space Maneuvering
DEF

A manoeuvre by which a spacecraft is taken out of orbit around a celestial body in order to land it on given point of the body’s surfaces, or to crash it.

OBS

deorbiting; deorbitation; deorbit manoeuvre: terms officially approved by the RADARSAT-2 Terminology Approval Group (RTAG) and by the International Space Station Official Approval Group (ISSOAG).

Key term(s)
  • de-orbit manoeuvre
  • de-orbit maneuver
  • de-satellization

French

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

Manœuvre consistant à éjecter un engin spatial de l'orbite qu'il décrit autour d'un astre pour l'amener à s'y poser, en un point donné, ou pour en provoquer l'écrasement.

OBS

désorbitation; désatellisation : termes uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR); manoeuvre de désorbitation : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

PHR

amorcer la désorbitation

PHR

phase de désorbitation

Spanish

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Record 2 2003-05-30

English

Subject field(s)
  • Launchers (Astronautics)
CONT

The Attitude and Vernier Upper Module. The Vega launch vehicle is equipped with a liquid propulsion module(AVUM), which provides roll control and pitch, yaw, and axial thrust during the final phase of flight. It shall perform the following functions :-roll control;-attitude control during coasting flight and in orbit phase;-correction of axial velocity error due to solid rocket motor performance scatter;-generation of the required velocity change for orbit circularisation(as required) ;-satellite pointing;-satellite release manoeuvres;-empty stage de-orbiting.

French

Domaine(s)
  • Lanceurs (Astronautique)
CONT

Enfin, on attend la signature du contrat de développement du petit lanceur Vega. Il s'agit d'un lanceur composé de trois étages à propergol solide, surmonté d'un module supérieur à liquide dit AVUM (Attitude and Vernier Upper Module) - permettant le contrôle d'attitude et d'orbite, la séparation des satellites et la désorbitisation - ainsi que d'une coiffe.

Spanish

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