anomalistic year

noun Astronomy.
the average interval between consecutive passages of the earth through the perihelion, equivalent to 365.26 days.

Origin:
1870–75

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World English Dictionary
anomalistic year
 
n
the interval between two successive passages of the earth through perihelion; 365.25964 mean solar days

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
We have the even longer anomalistic year, from perihelion to perihelion.
Therefore, the anomalistic year is slightly longer than the sidereal year.
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