From Wikipedia, the free encyclopedia
Eccentricity may refer to:
- Eccentricity (behavior), unusual or odd behavior on the part of a person, as opposed to being "normal"
- Eccentricity (mathematics), a parameter associated with every conic section
- Eccentricity vector
- Eccentricity (graph theory) of a vertex in a graph
- Eccentric contraction, lengthening of muscle fibers
- Eccentric (mechanism), a wheel that rotates on an axle that is displaced from the focus of the circle described by the wheel
- Eccentric position of a surveying tripod to be able to measure hidden points
- Orbital eccentricity, in astrodynamics, calculated from orbital state vectors as an absolute value of eccentricity vector or using other methods based on orbital energy and angular momentum.
- Eccentric anomaly, the angle between the direction of periapsis and the current position of an object on its orbit.
- Eccentric (astronomy), a type of deferent, a circle or sphere used in obsolete astronomical systems to carry a planet around the Earth or Sun.
