Concept information
Preferred term
Keplerian orbit
Definition
- In celestial mechanics, a Kepler orbit (or Keplerian orbit, named after the German astronomer Johannes Kepler) is the motion of one body relative to another, as an ellipse, parabola, or hyperbola, which forms a two-dimensional orbital plane in three-dimensional space. A Kepler orbit can also form a straight line. It considers only the point-like gravitational attraction of two bodies, neglecting perturbations due to gravitational interactions with other objects, atmospheric drag, solar radiation pressure, a non-spherical central body, and so on. It is thus said to be a solution of a special case of the two-body problem, known as the Kepler problem. As a theory in classical mechanics, it also does not take into account the effects of general relativity. Keplerian orbits can be parametrized into six orbital elements in various ways. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Kepler_orbit)
Broader concept
In other languages
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French
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orbite képlerienne
URI
http://data.loterre.fr/ark:/67375/MDL-TKNNM367-N
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