Understanding Elliptical Orbits: Foci, Center, Barycenter, and Mass Relationship

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SUMMARY

The discussion focuses on the relationship between foci, geometric center, barycenter, and the mass relationship in elliptical orbits. It establishes that the barycenter is the point around which two bodies orbit, influenced by their respective masses. The more massive body orbits closer to the barycenter, while the less massive body follows a larger elliptical path. Relevant equations for understanding these relationships include those pertaining to the geometry of ellipses and gravitational forces.

PREREQUISITES
  • Understanding of elliptical geometry
  • Familiarity with gravitational forces and mass
  • Knowledge of barycentric coordinates
  • Basic equations of motion in celestial mechanics
NEXT STEPS
  • Research the equations governing elliptical orbits, specifically Kepler's laws of planetary motion
  • Study the concept of barycenter in multi-body systems
  • Explore the mathematical derivation of the foci of an ellipse
  • Learn about the effects of mass on orbital paths in celestial mechanics
USEFUL FOR

Astronomy students, astrophysicists, and anyone interested in the dynamics of celestial bodies and their orbits.

mhuang
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What is the relationship between the following in an elliptical orbit:

-foci
-geometric center
-barycenter
-the more massive body/the less massive body

Also, what path does the larger mass take?
 
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This seems like homework. If it is, then it belongs in the homework help section, and you need to show some attempt at what you've done so far. (Don't post another thread in the homework help section, just let me know if it is homework and it will be moved).

Regarding your question: what relevant equations do you have in your books/notes pertaining to ellipses?
 

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