egg changed the topic of #principia to: Logs: https://esper.irclog.whitequark.org/principia | <scott_manley> anyone that doubts the wisdom of retrograde bop needs to get the hell out | https://xkcd.com/323/ | <egg> calculating the influence of lamont on Pluto is a bit silly…
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<queqiao->
⟨clayel⟩ 1,101,369 years for an orbit... can you really call that an orbit?
<queqiao->
⟨clayel⟩ surely galactic influences would far outweigh any gravitational influences for a 1 million year orbit
<raptop>
Well, given the orbital periods of Oört cloud objects...
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<queqiao->
⟨clayel⟩ isnt that just 10000 years or so?
<queqiao->
⟨raptop | ²³⁹Pu powered⟩ the outer edge is fuzzy, but probably gets into the millions of years
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<queqiao->
⟨thebigdoi⟩ that's really borderline i don't think that should be considered an orbit
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<queqiao->
⟨realvoidman⟩ The sun takes 250 million years to circle the galactic center, is that an orbit?
<queqiao->
⟨test_account9540⟩ it is an orbit, because it would be very hard to remove the sun from it
<queqiao->
⟨test_account9540⟩ however a 250 million year orbit around another star will be easily perturbed and stop being orbit i think
<queqiao->
⟨thebigdoi⟩ That's different because the sun is orbiting a galaxy not a star
<queqiao->
⟨clayel⟩ and orbiting dark matter, not normal matter
<queqiao->
⟨clayel⟩ if no dark matter, the sun is quickly flung out
<queqiao->
⟨realvoidman⟩ Regardless if the orbit is stable or not, it's still an orbit
<queqiao->
⟨Rad - LR-87 fanatic⟩ If it has an Apoapsis and Periapsis around any body, it’s in an orbit
<queqiao->
⟨Rad - LR-87 fanatic⟩ Even if that Apoapsis is 0 and the Periapsis is deeply negative