James Webb Telescope Discovers Uranus’ 29th Moon, S/2025 U1

NASA’s James Webb Space Telescope (JWST) discovered a new moon of Uranus, named S/2025 U1.

  • The discovery was made by a team led by the Southwest Research Institute (SwRI) on On 2 February 2025.
  • This raises the total number of Uranian moons to 29.
  • The moon is estimated to be just 10 km in diameter.
  • It orbits Uranus at a distance of 56,000 km.
  • Lead scientist Maryame El Moutamid called it a “small but significant discovery.”
Scroll to Top