astrodynamics, the orbital eccentricity of an astronomical object is a dimensionless parameter that determines the amount by which its orbit around another...

Eccentricity (graph theory) of a vertex in a graph Eccentricity (mathematics), a parameter associated with every conic section Orbital eccentricity,...

elliptic orbit or elliptical orbit is a Kepler orbit with an eccentricity of less than 1; this includes the special case of a circular orbit, with eccentricity...

than spring. Greater eccentricity increases the variation in the Earth's orbital velocity. Currently, however, the Earth's orbit is becoming less eccentric...

For an object in an eccentric orbit orbiting a much larger body, the length of the orbit decreases with orbital eccentricity e, and is an ellipse. This can...

hyperbolic partial differential equations. Kepler orbits Eccentricity vector Orbital eccentricity Roundness (object) Conic constant Thomas, George B...

eccentricities of the orbits of Uranus' inner satellites, and the anomalously high orbital inclination of Miranda. High past orbital eccentricities associated...

theory such an orbit has the shape of a hyperbola. In more technical terms this can be expressed by the condition that the orbital eccentricity is greater...

circle in which the earth, sun, etc. deviates from its center." (See Orbital eccentricity.) Five years later, in 1556, an adjective form of the word was used...

Even if an orbit remains Sun-synchronous, however, other orbital parameters such as argument of periapsis and the orbital eccentricity evolve, due to...

next orbit, that side will be in darkness all the time until the next sunrise after another 88 Earth days. Combined with its high orbital eccentricity, the...

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

In quantum mechanics, an atomic orbital (/ˈɔːrbɪtəl/) is a function describing the location and wave-like behavior of an electron in an atom. This function...

corresponding to the timeframes of periodic orbital cycles have been interpreted as evidence of orbital forcing on climate during greenhouse periods...

Orbital elements are the parameters required to uniquely identify a specific orbit. In celestial mechanics these elements are considered in two-body systems...

0.2 or more. The typical exoplanet with an orbital period greater than five days has a median eccentricity of 0.23. The discovery of this type of exoplanet...

gravitation. Orbital mechanics is a core discipline within space-mission design and control. Celestial mechanics treats more broadly the orbital dynamics...

A geosynchronous orbit (sometimes abbreviated GSO) is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours...

group of asteroids with a semi-major axis of about 2.5 AU and an orbital eccentricity approximately between 0.4 and 0.65. The namesake is 887 Alinda, discovered...

Milankovitch cycle in the range of 100,000 years, related to Earth's orbital eccentricity, its contribution to variation in insolation is much smaller than...

found that higher eccentricity orbits reduced the average tilts of the ETNOs' orbits. While there are many possible combinations of orbital parameters and...

(out of the orbital plane) causes rotation of the orbital plane without changing the period or eccentricity. In all instances, a closed orbit will still...

near-circular orbits (e<0.1). Most exoplanets with orbital periods of 20 days or less have near-circular orbits, i.e. very low eccentricity. That is thought...

average orbital eccentricity of Margaret is 0.68. In 2010, its eccentricity grew to 0.81, temporarily making Margaret with the most eccentric orbit of any...

of orbital eccentricity opposes the temperature trends of the seasons in the Northern Hemisphere. In general, the effect of orbital eccentricity on Earth's...

slow shifts in Earth's orbital parameters. The parameters include the precession of the equinoxes, obliquity, and eccentricity as put forth by the Milankovitch...

shortening of the orbital period. Solar radiation pressure will in general perturb the eccentricity (i.e. the eccentricity vector); see Orbital perturbation...

momentum divided by the reduced mass; e {\displaystyle e} is the orbital eccentricity; a {\displaystyle a} is the semi-major axis. It is typically expressed...

This orbital speed allows for a range of possible orbital periods depending on J1407b's orbital eccentricity: if J1407b has a circular orbit with a...

semi-major axes or eccentricities when they approach each other. Orbital parameters that are used to describe the relation of co-orbital objects are the...