anomalistic year

'anomalistic year' can also refer to...


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The interval of time between successive passages of the Earth through the perihelion of its orbit, equal to 365.2596 days. Due to perturbations by the other planets, the Earth's orbit is not a fixed ellipse but one that is slowly advancing. As a result the anomalistic year is about 5 min longer than the Earth's orbital period (the sidereal year).

Subjects: Astronomy and Astrophysics.

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