Anomalistic Year
See also: Year
A anomalistic year is, in Astronomie, the duration between two successive passages of the Ground to its Périhélie.
The terrestrial Orbit being elliptic, the distance between the Earth and the Sun is not constant and it is the point nearest, the perihelion, which is considered to determine one year anomalistic. However, because of the gravitational influences of the others Planet S of the Solar system, the perihelion moves slightly each time (compared to the star S, which one supposes fixed here) and a anomalistic year is slightly longer than a sidereal Année.
In 2000, the value of the anomalistic year was 365,259635864 days (either approximately 365 days 6:13 min and 53 S).
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