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- Orbital_station-keeping abstract "In astrodynamics, the orbital maneuvers made by thruster burns that are needed to keep a spacecraft in a particular assigned orbit are called orbital station-keeping. For many Earth satellites the effects of the non-Keplerian forces, i.e. the deviations of the gravitational force of the Earth from that of a homogeneous sphere, gravitational forces from Sun/Moon, solar radiation pressure and air-drag, must be counteracted. The deviation of Earth's gravity field from that of a homogeneous sphere and gravitational forces from Sun/Moon will in general perturb the orbital plane. For sun-synchronous orbit the precession of the orbital plane caused by the oblateness of the Earth is a desirable feature that is part of the mission design but the inclination change caused by the gravitational forces of Sun/Moon is undesirable. For geostationary spacecraft the inclination change caused by the gravitational forces of Sun/Moon must be counteracted by a rather large expense of fuel, as the inclination should be kept sufficiently small for the spacecraft to be tracked by a non-steerable antenna.For spacecraft in low orbits the effects of atmospheric drag must often be compensated for. For some missions this is needed simply to avoid re-entry; for other missions, typically missions for which the orbit should be accurately synchronized with Earth rotation, this is necessary to avoid the orbital period shortening.Solar radiation pressure will in general perturb the eccentricity (i.e. the eccentricity vector), see Orbital perturbation analysis (spacecraft). For some missions this must be actively counter-acted with manoeuvres. For geostationary spacecraft the eccentricity must be kept sufficiently small for a spacecraft to be tracked with a non-steerable antenna. Also for Earth observation spacecraft for which a very repetitive orbit with a fixed ground track is desirable, the eccentricity vector should be kept as fixed as possible. A large part of this compensation can be done by using a frozen orbit design, but for the fine control manoeuvres with thrusters are needed.For spacecraft in a halo orbit around a Lagrangian point stationkeeping is even more fundamental as such an orbit is unstable; without an active control with thruster burns the smallest deviation in position/velocity would result in the spacecraft leaving the orbit completely.".
- Orbital_station-keeping wikiPageExternalLink SEMPEISZEFF_index_0.html.
- Orbital_station-keeping wikiPageExternalLink station-keeping.html.
- Orbital_station-keeping wikiPageExternalLink XIPS.html.
- Orbital_station-keeping wikiPageID "979306".
- Orbital_station-keeping wikiPageLength "11636".
- Orbital_station-keeping wikiPageOutDegree "58".
- Orbital_station-keeping wikiPageRevisionID "699307990".
- Orbital_station-keeping wikiPageWikiLink Advanced_Composition_Explorer.
- Orbital_station-keeping wikiPageWikiLink Artemis_(satellite).
- Orbital_station-keeping wikiPageWikiLink Automated_Transfer_Vehicle.
- Orbital_station-keeping wikiPageWikiLink Category:Astrodynamics.
- Orbital_station-keeping wikiPageWikiLink Category:Earth_orbits.
- Orbital_station-keeping wikiPageWikiLink Category:Satellites.
- Orbital_station-keeping wikiPageWikiLink Delta-v.
- Orbital_station-keeping wikiPageWikiLink Delta-v_budget.
- Orbital_station-keeping wikiPageWikiLink Drag_(physics).
- Orbital_station-keeping wikiPageWikiLink Earth_observation_satellite.
- Orbital_station-keeping wikiPageWikiLink European_Space_Agency.
- Orbital_station-keeping wikiPageWikiLink Frozen_orbit.
- Orbital_station-keeping wikiPageWikiLink Geostationary_orbit.
- Orbital_station-keeping wikiPageWikiLink Gravity_well.
- Orbital_station-keeping wikiPageWikiLink Ground_track.
- Orbital_station-keeping wikiPageWikiLink Halo_orbit.
- Orbital_station-keeping wikiPageWikiLink Heliophysics.
- Orbital_station-keeping wikiPageWikiLink Herschel_Space_Observatory.
- Orbital_station-keeping wikiPageWikiLink International_Space_Station.
- Orbital_station-keeping wikiPageWikiLink Ion_thruster.
- Orbital_station-keeping wikiPageWikiLink Jules_Verne_ATV.
- Orbital_station-keeping wikiPageWikiLink Lagrangian_point.
- Orbital_station-keeping wikiPageWikiLink Lissajous_orbit.
- Orbital_station-keeping wikiPageWikiLink Orbit.
- Orbital_station-keeping wikiPageWikiLink Orbital_maneuver.
- Orbital_station-keeping wikiPageWikiLink Orbital_mechanics.
- Orbital_station-keeping wikiPageWikiLink Orbital_perturbation_analysis_(spacecraft).
- Orbital_station-keeping wikiPageWikiLink Plasma_propulsion_engine.
- Orbital_station-keeping wikiPageWikiLink Radiation_pressure.
- Orbital_station-keeping wikiPageWikiLink Reaction_control_system.
- Orbital_station-keeping wikiPageWikiLink Shell_theorem.
- Orbital_station-keeping wikiPageWikiLink Solar_and_Heliospheric_Observatory.
- Orbital_station-keeping wikiPageWikiLink Soyuz_(spacecraft).
- Orbital_station-keeping wikiPageWikiLink Space_observatory.
- Orbital_station-keeping wikiPageWikiLink Spacecraft_propulsion.
- Orbital_station-keeping wikiPageWikiLink Specific_impulse.
- Orbital_station-keeping wikiPageWikiLink Sun-synchronous_orbit.
- Orbital_station-keeping wikiPageWikiLink WIND_(spacecraft).
- Orbital_station-keeping wikiPageWikiLink File:Orbital_Planes.svg.
- Orbital_station-keeping wikiPageWikiLinkText "Orbital station-keeping in GEO".
- Orbital_station-keeping wikiPageWikiLinkText "Orbital station-keeping".
- Orbital_station-keeping wikiPageWikiLinkText "Station-keeping".
- Orbital_station-keeping wikiPageWikiLinkText "maintained at an orbit".
- Orbital_station-keeping wikiPageWikiLinkText "maintains an orbit with an altitude".
- Orbital_station-keeping wikiPageWikiLinkText "on-orbit positioning".
- Orbital_station-keeping wikiPageWikiLinkText "orbit keeping".
- Orbital_station-keeping wikiPageWikiLinkText "orbital station-keeping".
- Orbital_station-keeping wikiPageWikiLinkText "periodic boosts of altitude".
- Orbital_station-keeping wikiPageWikiLinkText "station keeping".
- Orbital_station-keeping wikiPageWikiLinkText "station-keeping".
- Orbital_station-keeping wikiPageWikiLinkText "stationkeeping".
- Orbital_station-keeping wikiPageUsesTemplate Template:Citation_needed.
- Orbital_station-keeping wikiPageUsesTemplate Template:Cn.
- Orbital_station-keeping wikiPageUsesTemplate Template:L1.
- Orbital_station-keeping wikiPageUsesTemplate Template:L2.
- Orbital_station-keeping wikiPageUsesTemplate Template:Orbits.
- Orbital_station-keeping wikiPageUsesTemplate Template:Reflist.
- Orbital_station-keeping wikiPageUsesTemplate Template:When.
- Orbital_station-keeping subject Category:Astrodynamics.
- Orbital_station-keeping subject Category:Earth_orbits.
- Orbital_station-keeping subject Category:Satellites.
- Orbital_station-keeping type Astrodynamic.
- Orbital_station-keeping type Redirect.
- Orbital_station-keeping comment "In astrodynamics, the orbital maneuvers made by thruster burns that are needed to keep a spacecraft in a particular assigned orbit are called orbital station-keeping. For many Earth satellites the effects of the non-Keplerian forces, i.e. the deviations of the gravitational force of the Earth from that of a homogeneous sphere, gravitational forces from Sun/Moon, solar radiation pressure and air-drag, must be counteracted.".
- Orbital_station-keeping label "Orbital station-keeping".
- Orbital_station-keeping sameAs Q7100095.
- Orbital_station-keeping sameAs المحافظة_على_مدار.
- Orbital_station-keeping sameAs Orbital_station-keeping.
- Orbital_station-keeping sameAs m.03w74v.
- Orbital_station-keeping sameAs Q7100095.
- Orbital_station-keeping wasDerivedFrom Orbital_station-keeping?oldid=699307990.
- Orbital_station-keeping isPrimaryTopicOf Orbital_station-keeping.