Thiazzi (Saturn LXIII), provisionally known as S/2004 S 33, is a natural satellite of

Saturn Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant with an average radius of about nine and a half times that of Earth. It has only one-eighth the average density of Earth; h ...

. Its discovery was announced by

Scott S. Sheppard Scott Sander Sheppard (born 1977) is an American astronomer and a discoverer of numerous moons, comets and minor planets in the outer Solar System. He is an astronomer in the Department of Terrestrial Magnetism at the Carnegie Institution for Scie ...

David C. Jewitt David Clifford Jewitt (born 1958) is a British-American astronomer who studies the Solar System, especially its minor bodies. He is based at the University of California, Los Angeles, where he is a Member of the Institute for Geophysics and Pl ...

, and Jan Kleyna on October 8, 2019 from observations taken between December 12, 2004 and March 22, 2007. It was given its permanent designation in August 2021. On 24 August 2022, it was officially named after

Þjazi In Norse mythology, Þjazi (Old Norse: ; anglicized as Thiazi, Thjazi, Tjasse or Thiassi) was a giant. He was a son of the giant Ölvaldi, brother of giants Iði and Gangr, and the father of Skaði. His most notable misdeed was the kidnappin ...

, a jötunn from

Norse mythology Norse, Nordic, or Scandinavian mythology is the body of myths belonging to the North Germanic peoples, stemming from Old Norse religion and continuing after the Christianization of Scandinavia, and into the Nordic folklore of the modern period ...

. He is a son of

Alvaldi Alvaldi (also Ölvaldi; Old Norse 'all-powerful') is a jötunn in Norse mythology, presented as the father of Þjazi. Saturn's moon Alvaldi is named after him. Name The Old Norse name ''Alvadi'' means 'all-powerful'. The name ''Ölvadi'', fo ...

and kidnapped the goddess Iðunn, who guarded the apples of the gods. Thiazzi is about 4 kilometres in diameter, and orbits Saturn at an average distance of 24.168 Gm in 1403.18 days, at an inclination of 160° to the ecliptic, in a retrograde direction and with an eccentricity of 0.399.

References

{{DEFAULTSORT:Thiazzi (Moon) Norse group Irregular satellites Moons of Saturn Discoveries by Scott S. Sheppard Astronomical objects discovered in 2019 Moons with a retrograde orbit