The mini-moon is Asteroid 2024 PT5, which was discovered in August. In an article published by the American Astronomical Society, researchers Carlos de La Fuente Marcos and Raul de La Fuente Marcos said the asteroid will be temporarily captured by the Earth's orbit from Sept. 29 until Nov. 25.

An asteroid heading towards Earth is set to have an unusual fate: instead of smashing through our planet’s atmosphere, it’s likely to become trapped in orbit and become a mini-moon. It will be a swift visit,

An newly discovered asteroid will be captured by Earth's gravity this fall. The "mini-moon" will spend about two months in Earth's orbit, before being flung back on its normal path around the sun.