Last Updated
：2025/11/19
apoapsis
（ plural ）
（ plural ）
（ plural ）
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(astronomy) The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its maximum.
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apoapsis
The satellite reached apoapsis before beginning its descent toward the planet.
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The satellite reached apoapsis before beginning its descent toward the planet.
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