anomalistic year


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Related to anomalistic year: sidereal year, tropical year

anomalistic year

n
(Horology) the interval between two successive passages of the earth through perihelion; 365.25964 mean solar days
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anomalistic year

Equals the time interval between two consecutive passages of the Earth through its perihelion (365 days, 6 hr, 13 min, 53 s).
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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Noun1.anomalistic year - time of the earth's revolution from perihelion to perihelion again; 365 days and 6 hr and 13 min and 53.1 sec
year - the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun; "a Martian year takes 687 of our days"
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The mean time between successive occurrences of Earth's perihelion is the anomalistic year of 365.2596 days, with dates that currently fall in early January (with some scatter due to the gravitational action of the Moon): January 2, 1901; January 1, 1902; January 4, 1903; .