Eccentricity

Eccentricity or eccentric may refer to:

Mathematics, science and technology

Mathematics

Orbital mechanics

  • Orbital eccentricity, in astrodynamics, a measure of the non-circularity of an orbit
  • Eccentric anomaly, the angle between the direction of periapsis and the current position of an object on its orbit
  • Eccentricity vector, in celestial mechanics, a dimensionless vector with direction pointing from apoapsis to periapsis
  • Eccentric, a type of deferent, a circle or sphere used in obsolete epicyclical systems to carry a planet around the Earth or Sun

Other uses in science and technology

Other uses

gollark: You might as well just directly use a nuclear fusion rocket or something at that point.
gollark: That would probably defeat the point, since laser stuff on it would be very heavy and large.
gollark: Millions of miles isn't very much in spæce terms.
gollark: > Yeah but with light propelled crafts you will be able to move indefinitly in the vacuum of spaceVery slowly (or, well, low-acceleration-ly), and only if you have infinite fuel.
gollark: The only real advantage of the whole light-based propulsion idea is that you don't need reaction mass.

See also

  • All pages with titles beginning with eccentric
  • All pages with titles containing eccentric*
  • Acentric (disambiguation)
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