Collision Parameter

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Collision Parameter

1. In orbit computation, the distance between a center of attraction of a central force field and the extension of the velocity vector of a moving object at a great distance from the center.
2. In gas dynamics and atomic physics, any of several parameters, such as cross section, collision rate, mean free path, etc., which provide a measure of the probability of collision.

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use