Saturn LVII #45 Saturn LVII, provisionally known as S/2004 S 25, is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, and Jan Kleyna on October 7, 2019 from observations taken between December 12, 2004 and March 22, 2007. It was given its permanent designation in August 2021. Properties: Galaxy: Milky Way System: Solar Main Planet: Saturn Type: Satellite Name: Saturn LVII Resource: Rhodium Rarity: Rare