Angular eccentricity is one of many parameters which arise in the study of the ellipse or ellipsoid. It is denoted here by α (alpha). It may be defined...

eccentricity of a circle is 0. The eccentricity of a non-circular ellipse is between 0 and 1. The eccentricity of a parabola is 1. The eccentricity of...

the eccentricity. Radial orbits have zero angular momentum and hence eccentricity equal to one. Keeping the energy constant and reducing the angular momentum...

{e\sin \nu }{1+e\cos \nu }}} where e {\displaystyle e} is the eccentricity. The angular momentum is related to the vector cross product of position and...

In celestial mechanics, the eccentricity vector of a Kepler orbit is the dimensionless vector with direction pointing from apoapsis to periapsis and with...

investment Cronbach's alpha, a statistical measure of reliability Angular eccentricity (conventional symbol "α") Navigational azimuth (symbol "α") One of...

\alpha =\arccos \left({\frac {c}{a}}\right)} is the modular angle, or angular eccentricity; m = b 2 − c 2 b 2 sin ⁡ ( α ) 2 {\textstyle m={\frac...

follows an unbound, hyperbolic trajectory around the Sun with an orbital eccentricity of 6.13±0.02. It is the third interstellar object confirmed passing through...

→ 0 {\displaystyle \Omega \rightarrow 0} . The maximum angular velocity occurs at eccentricity e = 0.92996 {\displaystyle e=0.92996} and its value is...

sufficient gravitational force. Radial orbit: An orbit with zero angular momentum and eccentricity equal to 1. The two objects move directly towards or away...

preserve energy but not angular momentum; expressed another way, orbits of the same energy but different angular momentum (eccentricity) can be transformed...

specific relative angular momentum (often denoted h → {\displaystyle {\vec {h}}} or h {\displaystyle \mathbf {h} } ) of a body is the angular momentum of that...

"elegant" and Smiley's performance "unbeatable" whereas Lynch "has an angular eccentricity that suits the role perfectly" and Webster "wields the sort of cheekbones...

speed nor the angular speed of the planet in the orbit is constant, but the area speed (closely linked historically with the concept of angular momentum)...

particular use case. Eccentricity (e) — shape of the ellipse, describing how much it deviates from a perfect a circle. An eccentricity of zero describes...

effect of bringing mass closer to its centre of gravity. Conservation of angular momentum dictates that a mass distributed more closely around its centre...

applied to the body. In torque-free precession, the angular momentum is a constant, but the angular velocity vector changes orientation with time. What...

revolving orbits identifies the type of central force needed to multiply the angular speed of a particle by a factor k without affecting its radial motion (Figures 1...

thereby decreasing the circling masses' angular velocity. At some point, the pull of the spring overcomes the angular velocity of the circling masses, restarting...

mean anomaly represents uniform angular motion on a circle of radius a. Mean anomaly can be calculated from the eccentricity and the true anomaly v by finding...

quantitative analysis than James Croll's earlier hypothesis that variations in eccentricity, axial tilt, and precession combined to result in cyclical variations...

central object's gravitational rotational force; expressed as orbital eccentricity ( e {\displaystyle e\,} ) designated by any number more than 1. Under...

axis, the orbital period is the same, disregarding their eccentricity. The specific angular momentum h of a small body orbiting a central body in a circular...

The field of view (FOV) is the angular extent of the observable world that is seen at any given moment. In the case of optical instruments or sensors...

E2/(E2+E), where E is eccentricity in degrees visual angle, and E2 is a constant of approximately 2 degrees. At 2 degrees eccentricity, for example, acuity...

In orbital mechanics, the eccentric anomaly is an angular parameter that defines the position of a body that is moving along an elliptic Kepler orbit...

2019 UTC (30 August local time). 2I/Borisov has a heliocentric orbital eccentricity of 3.36 and is not bound to the Sun. The comet passed through the ecliptic...

s orbitals, all of which have no angular momentum, might perhaps be that of a Keplerian orbit with the orbital eccentricity of 1 but a finite major axis,...

the Moon's angular rate of orbital motion, due to tidal exchange of angular momentum between Earth and Moon. This increases the Moon's angular momentum...

axis, which defines the size of the orbit e {\displaystyle e} is the eccentricity, which defines the shape of the orbit θ {\displaystyle \theta } is the...