**Eccentricity** or **eccentric** may refer to:

- Off-center
- Eccentricity (behavior), odd behavior on the part of a person, as opposed to being "normal"
- Eccentricity (graph theory) of a vertex in a graph
- Eccentricity (mathematics), a parameter associated with every conic section
- Eccentric (mechanism), a wheel that rotates on an axle that is displaced from the focus of the circle described by the wheel
- Eccentricity vector
- Horizontal eccentricity, in vision, degrees of visual angle from the center of the eye
- 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 Club, a London gentlemen's club
- Eccentric contraction, the lengthening of muscle fibers
- Eccentric, in astronomy, a type of deferent, a circle or sphere used in obsolete astronomical systems to carry a planet around the Earth or Sun
- Eccentric position of a surveying tripod to be able to measure hidden points
- Eccentric Training

### Other articles related to "eccentricity":

Struve 1341 - Planetary System

... It has an

... It has an

**eccentricity**of 0.9336, comparable to that of Comet Halley in the Solar System ... The**eccentricity**may be a result of the Kozai mechanism, which would occur if the planet's orbit is significantly inclined to that of the binary stars ... system Companion Mass Semimajor axis Orbital period**Eccentricity**Inclination Radius b 4.0 ± 0.3 MJ 0.453 ± 0.015 111.436 ± 0.003 0.9336 ± 0.0002 — 0.987 ± 0.061 RJ ...Angular

... The angular

**Eccentricity**... The angular

**eccentricity**is one of many parameters which arise in the study of the ellipse or ellipsoid ... It may be defined in terms of the**eccentricity**, e, or the aspect ratio, b/a (the ratio of the semi-minor axis and the semi-major axis) Angular**eccentricity**is not currently used in ... of the ellipse may be expressed in terms of the angular**eccentricity**...Comet Lulin - Orbit

... The comet had an epoch 2009

... The comet had an epoch 2009

**eccentricity**of 0.999986, and has an epoch 2010**eccentricity**of 0.999998 ... Given the extreme orbital**eccentricity**of this object, different epochs can generate quite different heliocentric unperturbed two-body best-fit solutions to the aphelion distance (maximum ... For objects at such high**eccentricity**, the Suns barycentric coordinates are more stable than heliocentric coordinates ...Conic Section - Cartesian Coordinates -

... When the conic section is written algebraically as the

**Eccentricity**in Terms of Parameters of The Quadratic Form... When the conic section is written algebraically as the

**eccentricity**can be written as a function of the parameters of the quadratic equation ... If 4AC = B2 the conic is a parabola and its**eccentricity**equals 1 (if it is non-degenerate) ... or a non-degenerate, non-imaginary ellipse, the**eccentricity**is given by where η = 1 if the determinant of the 3×3 matrix is negative and η = −1 if that determinant is positive ...### Famous quotes containing the word eccentricity:

“*Eccentricity* has always abounded when and where strength of character has abounded; and the amount of *eccentricity* in a society has generally been proportional to the amount of genius, mental vigour, and moral courage which it contained.”

—John Stuart Mill (1806–1873)

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