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on-orbit maneuver delta velocity

См. также в других словарях:

  • Delta-v — For other uses, see Delta v (disambiguation). In astrodynamics a Δv or delta v (literally change in velocity ) is a scalar which takes units of speed. It is a measure of the amount of effort that is needed to change from one trajectory to another …   Wikipedia

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

  • Hohmann transfer orbit — In astronautics and aerospace engineering, the Hohmann transfer orbit is an orbital maneuver using two engine impulses which, under standard assumptions, move a spacecraft between two coplanar circular orbits. This maneuver was named after Walter …   Wikipedia

  • Geocentric orbit — Earth orbit redirects here. For the motion of the Earth around the Sun, see Earth s orbit. Earth orbiter redirects here. For the shuttle simulator, see Earth Orbiter 1. The following words may have more than one definition or other non Earth… …   Wikipedia

  • Orbital maneuver — In spaceflight, an orbital maneuver is the use of propulsion systems to change the orbit of a spacecraft. For spacecraft far from Earth for example those in orbits around the Sun an orbital maneuver is called a deep space maneuver (DSM).[not… …   Wikipedia

  • Oberth effect — In astronautics, the Oberth effect is where the use of a rocket engine when travelling at high speed generates much more useful energy than one at low speed. Oberth effect occurs because the propellant has more usable energy (due to its kinetic… …   Wikipedia

  • Orbital station-keeping — In astrodynamics orbital station keeping is a term used to describe the orbital maneuvers made by thruster burns that are needed to keep a spacecraft in a particular assigned orbit. For many Earth satellites the effects of the non Keplerian… …   Wikipedia

  • Stardust (spacecraft) — Infobox Spacecraft Name = Stardust Caption = Artist s conception of the Stardust spacecraft Organization = NASA Jet Propulsion Laboratory Major Contractors = Lockheed Martin Mission Type = Fly by, sample collection Satellite Of = Sun Orbital… …   Wikipedia

  • Gravity turn — A gravity turn or zero lift turn is a maneuver (see trajectory optimization) used in launching a spacecraft into, or descending from, an orbit around a celestial body such as a planet or a moon. This launch trajectory offers two main advantages… …   Wikipedia

  • MESSENGER — This article is about the NASA space mission. For other uses, see Messenger. MESSENGER Artist s rendering of MESSENGER orbiting Mercury. Operator NASA / APL Major contractors APL …   Wikipedia

  • Spacecraft propulsion — A remote camera captures a close up view of a Space Shuttle Main Engine during a test firing at the John C. Stennis Space Center in Hancock County, Mississippi Spacecraft propulsion is any method used to accelerate spacecraft and artificial… …   Wikipedia

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