How does one descibe a co-orbiting system?

[Lino]

Hi, Is there a generally accepted description of the objects that make up a co-orbiting system? For example, I understand that two starts orbiting around a common centre of gravity would be considered co-orbiting, but given that the sun and planets ordit the "wobble" point / common centre of gravity, would the solar system also be considered co-orbiting? Would the Milkyway (the black hole at the centre and the stars that ordit it (both close in, speeding around the black hole, and further out like the sun) be considered a co-orbiting system?

Thanking you in anticipation.


Regards,


Noel.

 

[jobigoud]

I think co-orbiting means the two bodies actually shares the same orbit. For example Jupiter and the trojan satellites.

 

[Lino]

Oh. Thanks Jobiqoud. I understand.

So, I suppose that my first question is actually "what do you call that type of system, where two or more objects orbit a common center of gravity?" Incase my description isn't to clear, I'm trying to describe the orbit of an exo-solar planet causing the wobble of its star (I appreciate that actual searches are based on redshift of light, I'm just using the star / exoplanet as an example of a system that I am trying to describe).

Regards,

Noel.