- See also
- References
A Gaussian year is defined as 365.2568983 days.[1] It was adopted by Carl Friedrich Gauss as the length of the sidereal year in his studies of the dynamics of the solar system.
A slightly different value is now accepted as the length of the sidereal year,[2]
and the value accepted by Gauss is given a special name.
A particle of negligible mass, that orbits a body of 1 solar mass in this period, has a mean axis for its orbit of 1 astronomical unit by definition. The value is derived from Kepler's third law as
where
k is the Gaussian gravitational constant.[3]
See also
{{cmn|colwidth=30em|- Astronomical unit
- Gregorian year
- List of years
- List of calendars
- Orders of magnitude (time)
}}
References
1. ^{{Cite journal|last=Standish|first=E. M.|date=2004-06-01|title=The Astronomical Unit now|url=https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/article/the-astronomical-unit-now/2BE5DC4A39F90B58CAEA11EF70B24354|journal=Proceedings of the International Astronomical Union|volume=2004|issue=IAUC196|pages=163–179|doi=10.1017/S1743921305001365|issn=1743-9221}}
2. ^{{Cite web|url=http://ssd.jpl.nasa.gov/?constants|title=Astrodynamic Constants|last=Chamberlin|first=Alan|website=ssd.jpl.nasa.gov|access-date=2016-11-16}}
3. ^{{Cite book|title=VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer Kongress / VIIIe Congrès International D'Astronautique|last=Herrick|first=S.|last2=Jr|first2=R. M. L. Baker|last3=Hilton|first3=C. G.|date=1958-01-01|publisher=Springer Berlin Heidelberg|isbn=9783662390207|editor-last=Hecht|editor-first=F.|pages=197–235|language=en|doi=10.1007/978-3-662-39990-3_17}}
{{DEFAULTSORT:Gaussian Year}}{{Astronomy-stub}}2. ^{{Cite web|url=http://ssd.jpl.nasa.gov/?constants|title=Astrodynamic Constants|last=Chamberlin|first=Alan|website=ssd.jpl.nasa.gov|access-date=2016-11-16}}
3. ^{{Cite book|title=VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer Kongress / VIIIe Congrès International D'Astronautique|last=Herrick|first=S.|last2=Jr|first2=R. M. L. Baker|last3=Hilton|first3=C. G.|date=1958-01-01|publisher=Springer Berlin Heidelberg|isbn=9783662390207|editor-last=Hecht|editor-first=F.|pages=197–235|language=en|doi=10.1007/978-3-662-39990-3_17}}
2 : Units of time|Celestial coordinate system
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