Scientists at the Catalina Sky Survey have spotted what might be Earth's second-ever minimoon. The object, which astronomers are calling 2020 CD3, is an asteroid captured by our planet's gravity. The object, about the size of a car, has been in the Orbit for around three years already.
source https://gadgets.ndtv.com/science/news/earth-mini-moon-cd3-2020-catalina-sky-survey-three-years-2187091
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