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Orbital elements

Description of orbital elements

Orbital elements types

In addition, a "pv" type has been defined. It corresponds to "position and velocity" (in a (6xN) matrix).

Orbital elements usage

Apart from position and velocity that can always be used, the suitable orbital element types are:

When converting to "kep" or "cir" types:

The thresholds used to determine if an orbit is near-circular, near-equatorial or near-parabolic are defined as constants - see "Data files" in CelestLab menu for values.


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