# Eccentricty ||vece||

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e =
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ID
MichaelBartmess.Eccentricty ||vece||
UUID
26bc277e-e3ca-11e3-b7aa-bc764e2038f2

This equation produces the norm of the Eccentricity Vecotor, vece, with input being the components of the orbital radius vector, vecr and the components of the velocity vector, vecv.

# Notes

The orbits and trajectories that can be characterized by eccentricity are:

 elliptical:circular: e = 1parabolic trajectoryhyperbolic trajectory 0 < e < 1e = 1e = 1e> 1