TERMIUM Plus®

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UNPERTURBED ORBIT [1 record]

Record 1 2007-03-17

English

Subject field(s)
  • Mathematical Geography
  • Space Physics
  • Spacecraft
CONT

An unperturbed orbit is called a Keplerian orbit after the German astronomer Johannes Kenler. A Keplerian orbit describes the trajectory of a body around a star affected only by mutual gravitional attraction. Kepler derived three laws describing planetary motion around the Sun.

French

Domaine(s)
  • Géographie mathématique
  • Physique spatiale
  • Engins spatiaux
DEF

Orbite d'un corps en interaction gravitionnelle avec un seul autre corps, chaque corps étant assimilé à un point.

OBS

L'orbite képlérienne de chaque corps est une orbite conique dont l'un des foyers coïncide avec le centre de masse de l'autre corps pris comme origine du référentiel.

OBS

En première approximation, les planètes du système solaire et les satellites artificiels de la Terre décrivent des orbites képlériennes elliptiques ou circulaires.

Spanish

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