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orbital parameter

См. также в других словарях:

  • Orbital elements — are the parameters required to uniquely identify a specific orbit. In celestial mechanics these elements are generally considered in classical two body systems, where a Kepler orbit is used (derived from Newton s laws of motion and Newton s law… …   Wikipedia

  • Orbital mechanics — A satellite orbiting the earth has a tangential velocity and an inward acceleration. Orbital mechanics or astrodynamics is the application of ballistics and celestial mechanics to the practical problems concerning the motion of rockets and other… …   Wikipedia

  • 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

  • Orbital period — For the music album, see Orbital Period (album). The orbital period is the time taken for a given object to make one complete orbit about another object. When mentioned without further qualification in astronomy this refers to the sidereal period …   Wikipedia

  • Orbital speed — Not to be confused with Escape Velocity. The orbital speed of a body, generally a planet, a natural satellite, an artificial satellite, or a multiple star, is the speed at which it orbits around the barycenter of a system, usually around a more… …   Wikipedia

  • Orbital eccentricity — This article is about eccentricity in astrodynamics. For other uses, see Eccentricity (disambiguation). An elliptic Kepler orbit with an eccentricity of 0.7 (red), a parabolic Kepler orbit (green) and a hyperbolic Kepler orbit with an… …   Wikipedia

  • Orbital plane (astronomy) — All of the planets, comets, and asteroids in the solar system are in orbit around the Sun. All of those orbits line up with each other making a semi flat disk called the orbital plane. The orbital plane of an object orbiting another is the… …   Wikipedia

  • Specific orbital energy — In the gravitational two body problem, the specific orbital energy (or vis viva energy) of two orbiting bodies is the constant sum of their mutual potential energy ( ) and their total kinetic energy ( ), divided by the reduced mass. According to… …   Wikipedia

  • Standard gravitational parameter — In astrodynamics, the standard gravitational parameter mu of a celestial body is the product of the gravitational constant G and the mass M::mu=GM The units of the standard gravitational parameter are km3s 2mall body orbiting a central bodyUnder… …   Wikipedia

  • Tisserand's parameter — In Celestial Mechanics, Tisserand’s parameter (or Tisserand s invariant) is a combination of orbital elements used in a restricted three body problem.DefinitionFor a small body with semimajor axis a,!, eccentricity e,!, and inclination i,!,… …   Wikipedia

  • Two-line elements — Orbital parameter for the SGP4 model (or one of the SGP8, SDP4, SDP8 models) are determined for many thousands of space objects by NORAD and are freely distributed on the Internet in the form of TLEs by Celestrak (http://celestrak.com/). Here the …   Wikipedia

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