Pluto and Mercury are the planets in our solar system with the most eccentric orbits. The orbital eccentricity (or eccentricity) is a measure of how much an elliptical orbit is 'squashed'. A perfectly circular orbit has an eccentricity of zero; higher numbers indicate more elliptical orbits. noun Departure or deviation from that which is stated, regular, or usual; oddity; whimsicalness: as, the eccentricity of a man's genius or conduct. Eccentric definition, deviating from the recognized or customary character, practice, etc. 3. The eccentricity of the earth's orbit is .01677, or about . The state of being eccentric; deviation from the customary line of conduct; oddity. The ratio of the distance of any point on a conic section from a focus to its distance from the … eccentricity A value that defines the shape of an ellipse or planetary orbit; the ratio of the distance between the foci and the major axis. Eccentricity is found by the following formula eccentricity = c/a where c is the distance from the center to the focus of the ellipse a is the distance from the center to a vertex. ecliptic The plane of Earth's orbit about the Sun effusive eruption

eccentricity. A unique subtype of wide-field amacrine cell region corresponding to eccentricities of 0.6-2.5 mm from the medullary rays. In many problems involving binaries, rotating stars, and planetary systems, the angular momentum serves as an important parameter in addition to the mass, and merits some special considerations.

Most orbits are not circular but are an ellipse.

Eccentricity Origin: cf. eclipse The cutting off of light from one celestial body by another.

Eccentricity measures the deviation of the Earth's orbit from a circular orbit. F. Excentricite. 2. the quality of being eccentric.

It is one of the orbital elements that must be specified in order to completely define the shape and orientation of an elliptical orbit. 3. the amount by which something is eccentric. The eccentricity of an elliptical orbit is a measure of the amount by which it deviates from a circle; it is found by dividing the distance between the focal points of the ellipse by the length of the major axis. Eccentricity When it comes to space, the word eccentricity nearly always refers to orbital eccentricity, or the eccentricity of the orbit of an astronomical body, like a planet, star, or moon. In mathematics, the eccentricity of a conic section is a non-negative real number that uniquely characterizes its shape. Image: The eccentricity, obliquity and precession are used within the astronomical theory of paleoclimate. It is one of the orbital elements that must be specified in order to completely define the shape and orientation of an elliptical orbit. In this paper the orientations in space of stellar angular-momentum vectors are first discussed in the light of empirical data, and their origin is then explained in terms of simple models. Eccentricity is a measure of how an orbit deviates from circular. The special case of a circle's eccentricity. Eccentricity in orbit is the degree to which the orbit is not circular. 4. a mathematical constant expressed as the ratio of the distance from a point on a conic to a focus and the distance from the point to the directrix. From Cambridge English Corpus. A circle is a special case of an ellipse. In particular: The eccentricity of a circle is zero. How to use eccentricity in a sentence.

(Science: astronomy) The ratio of the distance of the center of the.. 2. 1. an oddity or peculiarity, as of conduct. ec•cen•tric•i•ty.

But the eccentricity of Earth's orbit varies between 0 and 0.06 for every 100 000 years. n., pl. The eccentricities of this sample of …

Eccentricity ranges from zero (for a perfect circle) to values approaching 1 (highly elongated ellipses).

One can think of the eccentricity as a measure of how much a conic section deviates from being circular. It ranges from 0 for a circular orbit at 1 in a highly elliptical orbit. 1. The orbital eccentricity (or eccentricity) is a measure of how much an elliptical orbit is ‘squashed’. Formula for the Eccentricity of an Ellipse. noun In ancient astronomy, the distance of the center of the equant from the earth.

An orbit which was a perfect circle would have an eccentricity of 0. More formally two conic sections are similar if and only if they have the same eccentricity. -ties. Neptune, Venus, and Earth are the planets in our solar system with the least eccentric orbits.

Eccentricity definition is - the quality or state of being eccentric. (Science: mathematics) The ratio of the distance between the center and the focus of an ellipse or hyperbola to its semi-transverse axis.

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