YR4 made headlines in February with the news that it had a chance of hitting Earth on Dec. 22, 2032, as determined by an ...

"The brighter the object, usually the bigger it is," said Brian Marsden, director of the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts. "If it's bright ...

The Minor Planet Center confirmed the discoveries on March 11. The team observed Saturn repeatedly between 2019 and 2021 and ...