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Orbital Mechanics

The study of the motion of objects in orbit and the elements that describe their paths.

Articles with this tag: 5 Updated: May 13, 2026

Apsis

Apsis (astronomy): periapsis, apoapsis, and the line of apsides

Argument of periapsis

Ascending node

Ascending node (orbital mechanics)

Astrodynamics

Astrodynamics: Motion, Orbits, and Spacecraft Navigation

Astrometry

Astrometry: Measuring Positions, Motions and Distances of Celestial Bodies
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