Tag Archive for '2020 CD3'

This image, taken with the 8-m Gemini North telescope on Hawaii’s Maunakea, shows Earth’s minimoon 2020 CD3 (center, point source). The image combines three images each obtained using different filters to produce this color composite. Image credit: International Gemini Observatory / NOIRLab / NSF / AURA / G. Fedorets.

Earth’s Second Known Minimoon is Natural Object, Astronomers Say

Nov 25, 2020 by News Staff

In a new paper published in the Astronomical Journal, astronomers from the United States, Canada and Europe provide a detailed characterization of the...

2020 CD3 is estimated to be only between one and six meters across. Image credit: Jonny Lindner.

Earth Has New, Temporary Moon: 2020 CD3

Feb 27, 2020 by The Conversation

The Minor Planet Centre has just announced that our planet has been orbited by a second moon for the past three years or so. Designated 2020 CD3, the object...