On the Lunar Secular Acceleration: A Possible Approach
Part of the International Astronomical Union / Union Astronomique Internationale book series (IAUS, volume 141)
The secular quadratic term in the expression of the Moon’s longitude has been introduced empirically after the conclusion that its mean motion is not constant (Halley, 1695).
KeywordsCelestial Body Orbital Element Periodical Term True Answer Inertial Coordinate System
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
© IAU 1990