List members , doesn't it look like as though this particular solar system is like an atom - with the parent star as the nucleus and 2 electrons sharing the same orbit ? A gravity driven Universe wouldn't allow this...hmm !
So , this case seems to validate the Electric Universe Theory !!
https://www.jagranjosh.com/general-knowledge/two-planets-sharing-same-orbit-explainer-1690543879-1
Regards