ORBITAL 轨道桥
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Orbits and mechanics

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Precession

The slow rotation of an orbital plane.

LEO can precess about a degree per day.

Related terms
  • Delta-v — The velocity change needed to alter an orbit.
  • Escape velocity — The minimum speed needed to leave a body's gravity.
  • Atmospheric reentry — A spacecraft coming back into the atmosphere.
  • Hohmann transfer — A two-burn manoeuvre that moves between circular orbits on minimum fuel.

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