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

The proper orbital elements or proper elements of an orbit are constants of motion of an object in space that remain practically unchanged over an astronomically...

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

electrons. Elements are known with up to the first seven shells occupied. The first shell contains only one orbital, a spherical s orbital. As it is in...

Osculating Orbital Elements for 2007 TG422". Archived from the original on 28 March 2014. Retrieved 31 January 2011. (Select Ephemeris Type:Elements and Center:@0)...

In celestial mechanics, an orbit (also known as orbital revolution) is the curved trajectory of an object such as the trajectory of a planet around a star...

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...

An orbital node is either of the two points where an orbit intersects a plane of reference to which it is inclined. A non-inclined orbit, which is contained...

three-line element set (3LE) is a data format encoding a list of orbital elements of an Earth-orbiting object for a given point in time, the epoch. Using a suitable...

in that its orbit is closer to the ecliptic plane instead of its primary's (in this case, Earth's) equatorial plane. The Moon's orbital plane is inclined...

In astrodynamics and celestial dynamics, the orbital state vectors (sometimes state vectors) of an orbit are Cartesian vectors of position ( r {\displaystyle...

osculating orbit and the object's position upon it can be fully described by the six standard Kepler orbital elements (osculating elements), which are...

200 AU Horizons C/2023 A3 at the JPL Small-Body Database Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters...

the orbital plane of reference (or orbital reference plane) is the plane used to define orbital elements (positions). The two main orbital elements that...

that generates heat by electrical resistance Orbital elements, parameters required to identify a specific orbit of one body around another DNA element, a...

is one of the six orbital elements describing the shape and orientation of a celestial orbit. It is the angle between the orbital plane and the plane...

Orbital inclination change is an orbital maneuver aimed at changing the inclination of an orbiting body's orbit. This maneuver is also known as an orbital...

axis the orbital period does not depend on the eccentricity (See also: Kepler's third law). Under standard assumptions, the specific orbital energy (...

}{a}}}} which is the speed of a body in a circular orbit whose radius is a {\displaystyle a} . Orbital elements such as the time of perihelion passage are defined...

astronomical quantity. It is useful for the celestial coordinates or orbital elements of a celestial body, as they are subject to perturbations and vary...

frequently perturbed Osculating orbit Orbit modeling Orbital resonance Perturbation theory Proper orbital elements Stability of the Solar System Footnotes...

and aeronautics). Astrodynamics – the study of orbital mechanics including prediction of orbital elements when given a select few variables. While few schools...

detectable gravitational waves. Orbital decay is caused by one or more mechanisms which absorb energy from the orbital motion, such as fluid friction,...

cases, alternative orbital elements or different definitions must be used to ensure an orbit is fully described. A geostationary orbit is a geosynchronous...

In chemistry, orbital hybridisation (or hybridization) is the concept of mixing atomic orbitals to form new hybrid orbitals (with different energies,...

The orbital period (also revolution period) is the amount of time a given astronomical object takes to complete one orbit around another object. In astronomy...

satellites' orbital parameters. In 2016, the Juno spacecraft imaged the Galilean moons from above their orbital plane as it approached Jupiter orbit insertion...

account the effects of general relativity. Keplerian orbits can be parametrized into six orbital elements in various ways. In most applications, there is a...

in the opposite direction of Neptune's orbit around the Sun. Due to perturbations, S/2021 N 1's orbital elements fluctuate over time: its semi-major axis...

the orbital speed of an astronomical body or object (e.g. planet, moon, artificial satellite, spacecraft, or star) is the speed at which it orbits around...