• This is a small asteroid, about 10 metres in size, roughly the size of a bus.
• Named Asteroid 2024 PT5, it was first detected in August by astronomers at Spain's Complutense University, will orbit Earth as a "mini moon".
• The discovery by Carlos de la Fuente Marcos and Raúl de la Fuente Marcos was published by the American Astronomical Society.
• The asteroid will circle the planet for around 57 days but won’t complete a full orbit before moving on.
• It is expected to leave Earth's gravity on November 25 and will pass by again in 2055.
