Aphelion
Science / Astrology / Aphelion
Aphelion: The point in a planet's orbit that is most distant from the Sun.
Aphelion: the time and point where a planet is furthest from the sun; see also perihelion.
Apogee: the point or time when Moon is furthest from the Earth.
Aphelion: The point on the earth's orbit that is farthest from the sun. Although the position is part of a 21,000 year cycle, currently it occurs around July, when the earth is about 3 million miles f . . . View Full Definition ...
aphelion The point in a planet's orbit that is most distant from the Sun.
Apheta, also ...
Aphelion: v. Orbit.
Apheta: Prorogator. The planet or place that exercises an influence over the life and death of the native. v. Hyleg.
Aphelion: the point in its orbit where an object is furthest from the Sun (opposite of perihelion); the term apogee is used for objects orbiting the Earth; "apoapsis" is used for the furthest point in orbit around other bodies.
Earth was at aphelion (farthest from the Sun).
Mars at perihelion (nearest to the Sun) and perigee (nearest to the Earth).
See Aphelion. Phases of the MoonThe stages in the monthly waxing and waning of the Moon. See Moon Phases.
Each planet moves between a 'perihelion' point nearest the Sun and an 'aphelion' point furthest away. The Second Law states that the planets move faster at perihelion than at aphelion. Kepler measured their angular velocities at these extremes (i.e.
A consequence of the ellipticity of the Earth's track is that its orbital motion is faster near perihelion than near aphelion.
The Earth's Elliptical Orbit Around the Sun - Aphelion and Perihelion
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Mercury can therefore only form a conjunction and semi-sextile to the Sun; Venus can onlly form a conjunction, semi-sextile, or semi-square to the Sun. Aphelion is the maximum elongation of a planet, ...
When it is farthest away from the sun (aphelion), it is 4.6 billion miles away from the sun (or 7.4 billion kilometers, or 29.5 AU).
From the time when the Sun is nearest to the earth (perihelion) December 24th, to the time when it is farthest from the earth (aphelion) June 21st, clock-time is in advance of sun-time.
All astronomical values are calculated for each instrument including the obliquity of the ecliptic, the time of the vernal equinox for your longitude, aphelion and perihelion, and stars are rigorously precessed to the date of the instrument.
It can be seen as the extreme point of any natural cycle whether apogee, aphelion, zenith or nadir.
 See also: Earth, Sun, Planet, Orbit, Astrology
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