Thiazzi (Saturn LXIII), provisionally known as S/2004 S 33, is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, and Jan Kleyna on October 8, 2019 from observations taken between December 12, 2004 and March 22, 2007.[3] It was given its permanent designation in August 2021.[4] On 24 August 2022, it was officially named after Þjazi, a jötunn from Norse mythology.[5] He is a son of Alvaldi and kidnapped the goddess Iðunn, who guarded the apples of the gods.[6]
| Discovery[1] | |
|---|---|
| Discovered by | Sheppard et al. |
| Discovery date | 2019 |
| Designations | |
Named after | Þjazi |
| Saturn LXIII S/2004 S 33 T514042[2] | |
| Orbital characteristics [2] | |
| 23764800 km | |
| Eccentricity | 0.417 |
| −1361.5 days | |
| Inclination | 161.5° |
| Satellite of | Saturn |
| Group | Norse group |
| Physical characteristics | |
| 4+50% −30% km | |
| 25.0 | |
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.[3]
References
edit- ^ Discovery Circumstances from JPL
- ^ a b S.S. Sheppard (2019), Moons of Saturn, Carnegie Science, on line
- ^ a b "MPEC 2019-T155 : S/2004 S 33". minorplanetcenter.net. Retrieved 8 October 2019.
- ^ "M.P.C. 133821" (PDF). Minor Planet Center. International Astronomical Union. 10 August 2021. Retrieved 21 August 2021.
- ^ "Names Approved for 10 Small Satellites of Saturn". usgs.gov. USGS. 24 August 2022. Retrieved 30 August 2022.
- ^ "Planet and Satellite Names and Discoverers". usgs.gov. IAU WGPSN. Retrieved 30 August 2022.