G day Alex,
i agree, this is really cool stuff. i held off responding thinking a real boffin would - none has so here is my take.
i sourced places like NASA, Wikipedia and S&T (and their references) - so not sure exactly where i came up with the following;
The Solar System is likely the first star system that ʻOumuamua has encountered since being ejected from its birth star system potentially several billion years ago.
so i think it would be "rogue" and randomly moving around though at similar speed as our neighbouring stars. it seems there is a substantial population of "rogue" bodies of all/most types.
cool to wonder: wot are the odds of it close encountering the Sun and where is it off to after its sling?
keep an eye out, L
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