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Delta-v budget

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Delta-v budget (or velocity change budget) is a term used in astrodynamics and aerospace industry for velocity change (or delta-v) requirements for the various propulsive tasks and orbital maneuvers over phases of the space mission.

Sample delta-v budget will enumerate various classes of manoeuvres, delta-v per manoeuvre, number of manoeuvres required over the time of the mission.

Launch/landing budget

  • Launch to LEO - this not only requires an increase of velocity from 0 to 7.8 km/s, but also typically 1.5-2 km/s for atmospheric drag and gravity drag
  • Re-entry from LEO

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Taxing budget

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Stationkeeping budget

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Interplanetary budget

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See also

Orbital taxing

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