Definition of Perihelion. Meaning of Perihelion. Synonyms of Perihelion

Here you will find one or more explanations in English for the word Perihelion. Also in the bottom left of the page several parts of wikipedia pages related to the word Perihelion and, of course, Perihelion synonyms and on the right images related to the word Perihelion.

Definition of Perihelion

Perihelion
Perihelion Per`i*hel"ion, Perihelium Per`i*he"li*um, n.; pl. Perihelia. [NL., fr. Gr. ? about, near + ? the sun.] (Astron.) That point of the orbit of a planet or comet which is nearest to the sun; -- opposed to aphelion.

Meaning of Perihelion from wikipedia

- aphelion, and the nearest point, perihelion, of its orbit around the host Sun. The terms aphelion and perihelion apply in the same way to the orbits...
- Perihelion is the point of closest approach to the Sun of a body orbiting the Sun. Perihelion may also refer to: Perihelion: The Prophecy, a 1993 role-playing...
- direction of motion. For specific types of orbits, terms such as argument of perihelion (for heliocentric orbits), argument of perigee (for geocentric orbits)...
- of certainty, but Hale–Bopp exceeded most predictions when it p****ed perihelion on April 1, 1997, reaching about magnitude −1.8. It was visible to the...
- Perihelion Software Limited was a United Kingdom company founded in 1986 by Dr. Tim King along with a number of colleagues who had all worked together...
- is called longitude of perihelion ϖ, which is the sum of the longitude of the ascending node Ω, and the argument of perihelion ω. The longitude of periapsis...
- Albert Einstein in 1915, concerned the "anomalous" precession of the perihelion of Mercury, the bending of light in gravitational fields, and the gravitational...
- reaching an absolute visual magnitude of about 5 in its approach to perihelion. Comet Pons-Brooks was definitely discovered at M****illes Observatory...
- perihelion, Mercury's angular orbital velocity equals its angular rotational velocity so that the Sun's apparent motion ceases; closer to perihelion,...
- longitude of perihelion and the argument of perihelion of the TNOs with semi-major axes greater than 150 AU. Those with a longitude of perihelion of 0–120°...