Compute insolation quantities derived from the orbital and precessional quantities

starting time Myr     (-100 Myr to +20Myr since J2000.0) [help]
ending time Myr     (-100 Myr to +20Myr since J2000.0) [help]
sampling step Years [help]
solar constant W/m2

Orbital solution

climatic precession

mean daily insolation / true longitude [help]
mean daily insolation / mean longitude [help]
mean monthly insolation [help]
mean annual insolation [help]

latitude on the Earth degrees     (-90 to +90) [help]
true/mean longitude degrees     (0 to 360) [help]
approximate conventional dates of the months            (1 - 12) [help]

The result window contains two or more columns :

If you want to save the contents of the result window, you have to use the Save as menu item.


A&A 428, 261-285 (2004), DOI: 10.1051/0004-6361:20041335
Laskar, J., Robutel, P., Joutel, F., Gastineau, M., Correia, A.C.M., Levrard, B. : 2004,
A long term numerical solution for the insolation quantities of the Earth.

Astronomical Solutions for Earth Paleoclimates


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Last revision: 18 November 2018 - M. Gastineau