Tag Archives: Asteroid 2020 CD3

[ad_1] The minimaon, as illustrated on February 15, 2020.Image: Catalina Sky Survey Spotted earlier this year, asteroid 2020 CD3 is only the second temporary natural satellite, or minimaon, ever detected around Earth. It didn’t last very long, but we learned some interesting things about our temporary mate and why a …

[ad_1] Many more minimaons will be discovered in the next decade, said a team of academics led by Queen’s University in Belfast. It comes after details of the finding of the second minimaon, a floating silicate boulder called 2020 CD3, were published in the Astronomical Journal. Minima are small asteroids …