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

swingby [1 record]

Record 1 2009-05-07


Subject field(s)
  • Astrophysics and Cosmography
  • Launching and Space Maneuvering

A particular manoeuvre that exploits the gravitational force of a moon or a planet to modify the trajectory of a spacecraft and to boost it into space.


Planetary swing-by maneuver [can be defined as] the encounter between a moving spacecraft and a moving planet or moon, affecting the spacecraft's motion like an elastic collision (in which no energy is lost to heat). Depending on the details of the encounter, the spacecraft can gain or lose appreciable amounts of energy, and appreciable changes in the direction of its motion can result. Swing-by maneuvers with the Moon have been used to reach the L1 Lagrangian point; fly-by maneuvers with he planets have played an essential role in space missions exploring the solar system. Lunar fly-by is similar and is also used.


Plural is "swing-bys", "swingbys" or "swing bys".

Key term(s)
  • planetary swing by maneuver
  • planetary swingby maneuver
  • planetary swing-by manoeuvre
  • planetary swingby manoeuvre
  • planetary swing by manoeuvre
  • planetary swingby
  • planetary swing by
  • swing by maneuver
  • swingby maneuver


  • Astrophysique et cosmographie
  • Lancement et manœuvres dans l'espace

Effet du champ gravitationnel d'un corps céleste sur le vecteur vitesse d'un engin spatial ou d'un autre corps céleste passant à proximité.

Key term(s)
  • swingby
  • swing-by
  • swing by


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