Orbiting Body Relative

Some articles on relative, orbiting body relative, body:

Relative Angular Momentum
... In celestial mechanics, the relative angular momentum of an orbiting body relative to a central body is the moment of 's relative linear momentum where is the orbital position vector ... For a body in an unperturbed orbit about a central body, the orbital plane is stationary, and the relative angular momentum is perpendicular to the orbital plane ... For perturbed orbits where the orbital plane is in motion, the relative angular momentum vector is perpendicular to the (osculating) orbital plane at ...

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