Novo satélite da terra tem... 40m de diâmetro (estimado)

https://www.rt.com/usa/347044-asteroid-earth-companion-nasa/


Citando:
"Move over, Moon – Earth has as new celestial companion. A tiny asteroid, named 2016 HO3, has been engaged in a steady orbital “dance” with our planet for almost a century, but was discovered only recently."