invariable plane

См. также в других словарях:

• Invariable plane — The invariable plane of a planetary system is the plane passing through its barycenter (center of mass) which is perpendicular to its angular momentum vector. In the Solar system, about 98% of this effect is contributed by the orbital angular… …   Wikipedia

• Plane of reference — A term used in celestial mechanics, the plane of reference is the plane by means of which orbital elements (positions) are defined. The two main orbital elements that are measured with respect to the plane of reference are the inclination and the …   Wikipedia

• Poinsot's ellipsoid — In classical mechanics, Poinsot s construction is a geometrical method for visualizing the torque free motion of a rotating rigid body, that is, the motion of a rigid body on which no external forces are acting. This motion has four constants:… …   Wikipedia

• Poles of astronomical bodies — This article is about geographic, magnetic and other poles on planets and other astronomical bodies. For the Earth s poles, see North Pole, South Pole, North Magnetic Pole, and South Magnetic Pole. See also Pole of inaccessibility. The poles of… …   Wikipedia

• Uranus — This article is about the planet. For other uses, see Uranus (disambiguation). Uranus   …   Wikipedia

• Milankovitch cycles — Past and future Milankovitch cycles. VSOP allows prediction of past and future orbital parameters with great accuracy. ε is obliquity (axial tilt). e is eccentricity. ϖ is longitude of perihelion. esin(ϖ) is the precession index, which together… …   Wikipedia

• Jupiter — This article is about the planet. For other uses, see Jupiter (disambiguation). Jupiter   …   Wikipedia

• Longitude — For Dava Sobel s book about John Harrison, see Longitude (book). For the adaptation of Sobel s book, see Longitude (TV series). Map of Earth Longitude (λ) Lines of longitude appear vertical with varying curvature in this projection, but are… …   Wikipedia

• Orbital inclination — For the science fiction novella by William Shunn, see Inclination (novella). Fig. 1: One view of inclination i (green) and other orbital parameters Inclination in general is the angle between a reference plane and another plane or axis of… …   Wikipedia

• Mercury (planet) — Mercury  ☿ …   Wikipedia

• Venus — This article is about the planet. For other uses, see Venus (disambiguation). Venus   …   Wikipedia