2020 CD3: Earth’s New Mini-moon

On 15th February, researchers at the NASA-funded Catalina Sky Survey in Arizona discovered a new mini moon of the Earth- 2020 CD3.

2020- CD3

• It is about the size of a car, roughly 1.9-3.5 metres in diameter, and is likely to be a C-type asteroid.
• It is the second asteroid known to orbit Earth after 2006 RH120, which was also discovered by the Catalina Sky Survey and rotated around the earth from September, 2006 to June, 2007.
• Its route suggests it entered Earth’s orbit three years ago.
• The Smithsonian Astrophysical Observatory’s Minor Planet Center, which collects data on minor planets and asteroids, said ....