ORBITAL 轨道桥
UTC --:--:--

Data and algorithms

定轨
Orbit determination

Deriving an orbit from observations.

Its accuracy sets the pass prediction error.

Related terms
  • Celestrak — A public source of TLE orbital data.
  • astronomy-engine — An MIT-licensed astronomy library that runs in your browser.
  • Ephemeris — A table or algorithm giving positions at given times.
  • UTC — The global time standard; it ignores daylight saving.

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