perturbation of an orbit

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• Perturbation (astronomy) — Perturbation is a term used in astronomy in connection with descriptions of the complex motion of a massive body which is subject to appreciable gravitational effects from more than one other massive body.[1] Such complex motions of a body can be …   Wikipedia

• Perturbation (astronomie) — Perturbation est un terme utilisé en astronomie en relation avec la description du mouvement complexe d un objet massif soumis aux effets gravitationnels significatifs de plus d un autre objet massif[1]. Un tel mouvement complexe peut être… …   Wikipédia en Français

• Perturbation — or perturb may refer to any of numerous concepts in several fields:* Perturbation theory, mathematical methods that give approximate solutions to problems that cannot be solved exactly * Perturbation (geology), changes in the nature of alluvial… …   Wikipedia

• perturbation — [pʉr΄tər bā′shən] n. [ME < MFr perturbacion < L perturbatio] 1. a perturbing or being perturbed 2. something that perturbs; disturbance 3. Astron. a small change in an orbit caused by the attraction of another celestial body, other bodies,… …   English World dictionary

• Orbit — This article is about orbits in celestial mechanics, due to gravity. For other uses, see Orbit (disambiguation). A satellite orbiting the Earth has a tangential velocity and an inward acceleration …   Wikipedia

• Orbit of the Moon — Not to be confused with Lunar orbit in the sense of a selenocentric orbit, that is, an orbit around the Moon The Moon completes its orbit around the Earth in approximately 27.3 days (a sidereal month). The Earth and Moon orbit about their… …   Wikipedia

• perturbation — perturbational, adj. /perr teuhr bay sheuhn/, n. 1. the act of perturbing. 2. the state of being perturbed. 3. mental disquiet, disturbance, or agitation. 4. a cause of mental disquiet, disturbance, or agitation. 5. Astron. deviation of a… …   Universalium

• Orbit equation — In astrodynamics an orbit equation defines the path of orbiting body around central body relative to , without specifying position as a function of time. Under standard assumptions, a body moving under the influence of a force, directed to a… …   Wikipedia

• Orbit phasing — In astrodynamics orbit phasing is the adjustment of the time position of spacecraft along its orbit, usually described as adjusting the orbiting spacecraft s true anomaly. This is predominantly used in satellite positioning, especially if the… …   Wikipedia

• perturbation — per•tur•ba•tion [[t]ˌpɜr tərˈbeɪ ʃən[/t]] n. 1) the act of perturbing 2) the state of being perturbed 3) astron. deviation of a celestial body from a regular orbit about its primary, caused by the presence of one or more other bodies that act… …   From formal English to slang

• Orbital perturbation analysis (spacecraft) — Isaac Newton in his Philosophiæ Naturalis Principia Mathematica demonstrated that the gravitational force between two mass points is inversely proportional to the square of the distance between the points and fully solved corresponding two body… …   Wikipedia