Giant impact simulations produce satellite mass ratios matching TNO observations, with spin/orbital periods explained only by tidal evolution from fluid to rigid states.
The tidal lag caused by friction leads to angular momentum exchange, which also leads to spin and orbital evolution
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Early formation of moons around large trans-Neptunian objects via giant impacts
Giant impact simulations produce satellite mass ratios matching TNO observations, with spin/orbital periods explained only by tidal evolution from fluid to rigid states.