Moon Perturbation - RAAN

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Equation / Last modified by Administrator on 2015/08/11 07:05
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MichaelBartmess.Moon Perturbation - RAAN
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This equation computes the rate of change of the right ascension of the ascending node  (RAAN) of an orbit where the rate of change in deg/day results from the Moon's third-body gravitational influence on the orbit.  The inputs to this equation are the orbit inclination (i) and the number of orbit revolutions per day (n).

 

MoonPerturbationRAAN-illustration.png

Notes

This computation is an approximation, as it neglects the perturbation caused by the change in orientation of the orbital plane relative to the Moon's orbital plane.

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