Southwest Research Institute (SwRI) scientists studying the inner main-belt asteroid Donaldjohanson have found that its rotation wobbles. Rather than rolling through space in a steady pattern, Donaldjohanson turns on two axes, rotating end over end once every 10. 5 Earth days while wobbling arou...

Source: [Phys.org](https://phys.org/news/2026-06-asteroid-donaldjohanson-rotates-lucy-flyby.html)

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