Orbiting body
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In astrodynamics, an orbiting body (
) is a body that orbits a primary body (
).
The orbiting body is properly referred to as the secondary body.[1]
It is less massive than the primary body (i.e. 
).
Under standard assumptions in astrodynamics the barycenter of the two bodies is a focus of both orbits.
[edit] See also
[edit] References
- ^ NASA "Dictionary of Technical Terms for Aerospace Use" http://er.jsc.nasa.gov/SEH/s.html, retrieved 5/11/2010
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