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In response to
"I think there's some weird quirk of their sizes and orbit that place the centre of their system outside of Pluto's surface ... -- nm"
by
Beryllium
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you are right good sir. Charon is about half Pluto's width and somewhere around one-eighth to one-tenth its mass, and with a center-to-center orbit -- (edited)
Posted by
tRuMaNaNaNaNa (aka tRuMaN)
Jan 23 '23, 09:09
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of roughly 20,000 km, the center of mass for this system is actually above Pluto’s surface.
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