Earth has a new ‘mini-moon’ Asteroid 2024 PT5 has been ‘catching up’ with us for years. It recently got close enough to begin… 2024-10-01 spaceexp: Earth has a new ‘mini-moon’ Asteroid 2024 PT5 has been ‘catching up’ with us for years. It recently got close enough to begin interacting with Earth’s gravity, leading to a short Mini Moon phase from now until late November during which it will be bound to our planet.