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Barycentric Coordinate Time

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Barycentric Coordinate Time | Wikipedia audio article

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Gamedev Maths: point in triangle

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Barycentric Coordinate Time

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Local Barycentric Coordinates

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Barycentric balls - classroom demonstration video, VP07a

Barycentric Coordinate Time is a coordinate time standard intended to be used as the independent variable of time for all calculations pertaining to orbits of planets, asteroids, comets, and interplanetary spacecraft in the Solar system. It is equivalent to the proper time experienced by a clock at rest in a coordinate frame co-moving with the barycenter of the Solar system: that is, a clock that performs exactly the same movements as the Solar system but is outside the system's gravity well. It is therefore not influenced by the gravitational time dilation caused by the Sun and the rest of the system.
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