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Using Wikipedia Arrokoth was first discovered 26 June 2014 using the Hubble Space Telescope. The observation arc was 2.33 years (851 days). Its orbital period was estimated to 297.67 years. So we got observations only for 2.33 years of a period of 297.67 years, that is only 0.783 %. It looks like we got very few information, but we don't need a precise ...

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