KnowraGravitational perturbationLinked fromLinked fromThe 15 pages that link to Gravitational perturbation, each with the reason it gives.All 15Broader topic 2Related 10Narrower topic 2Compared with 1Orbital perturbationBroader topic: Other bodies and nonspherical mass distributions alter the reference orbit.Orbital station-keepingBroader topic: Earth's uneven gravity and third-body attraction alter spacecraft orbits over time.