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walking orbit
Also known as a precessing orbit, an orbit in which the orbital plane moves slowly with respect to fixed inertial space. It can be achieved intentionally by choosing the parameters of spacecraft’s orbit so that advantage is taken of some or all of the gravitational influences that give rise to precession. These factors include the deviation from perfect sphericity of a planet and the gravitational influence of other bodies such as the Sun or nearby moons.
Related category
• CELESTIAL MECHANICS
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