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Thiazzi
Discovery^[1]
Discovered by	Sheppard et al.
Discovery date	2019
Designations
Named after	Þjazi
Alternative names	Saturn LXIII S/2004 S 33 T514042^[2]
Orbital characteristics ^[2]
Semi-major axis	23764800 km
Eccentricity	0.417
Orbital period (sidereal)	−1361.5 days
Inclination	161.5°
Satellite of	Saturn
Group	Norse group
Physical characteristics
Mean diameter	4+50% −30% km
Apparent magnitude	25.0

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]

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

^ 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.

Moons of Saturn

Listed in approximate increasing distance from Saturn

Ring moonlets

Ring shepherds

Other inner moons

Alkyonides

Large moons
(with trojans)

Inuit group (13)

Kiviuq subgroup	S/2019 S 1 Kiviuq S/2005 S 4 S/2020 S 1 Ijiraq
Paaliaq subgroup	Paaliaq
Siarnaq subgroup	S/2004 S 31 Tarqeq S/2019 S 14 Siarnaq S/2020 S 3 S/2019 S 6 S/2020 S 5

Gallic group (7)

Norse group (100)

Phoebe subgroup	Phoebe S/2006 S 20 S/2006 S 9

Skathi
S/2007 S 5
S/2007 S 7
S/2007 S 2
S/2004 S 37
S/2004 S 47
S/2004 S 40
S/2019 S 2
S/2019 S 3
S/2020 S 7
Skoll
S/2020 S 2
S/2019 S 4
S/2004 S 41
S/2004 S 42
Hyrrokkin
Greip
S/2004 S 13
S/2007 S 6
Mundilfari
S/2006 S 1
S/2004 S 43
S/2006 S 10
S/2019 S 5
Gridr
Bergelmir
Jarnsaxa
Narvi
Suttungr
S/2004 S 44
S/2007 S 3
S/2004 S 45
Hati
S/2004 S 17
S/2006 S 11
S/2004 S 12
Eggther
S/2006 S 13
S/2007 S 9
S/2019 S 7
S/2019 S 8
Farbauti
Thrymr
Bestla
S/2019 S 9
S/2004 S 46
Angrboda
S/2019 S 11
Aegir
S/2019 S 10
Beli
S/2019 S 12
Gerd
S/2019 S 13
S/2006 S 14
Gunnlod
S/2019 S 15
S/2020 S 6
S/2004 S 7
S/2006 S 3
S/2005 S 5
Skrymir
S/2006 S 16
S/2006 S 15
S/2004 S 28
S/2020 S 8
Alvaldi
Kari
S/2004 S 48
Geirrod
Fenrir
S/2004 S 50
S/2006 S 17
S/2004 S 49
S/2019 S 17
Surtur
S/2006 S 18
Loge
Ymir
S/2019 S 19
S/2019 S 18
S/2004 S 21
S/2004 S 39
S/2019 S 16
S/2004 S 53
S/2004 S 36
Thiazzi
S/2019 S 20
S/2006 S 19
Saturn LXIV
Fornjot
S/2004 S 51
S/2020 S 10
S/2020 S 9
Saturn LVIII
S/2019 S 21
S/2004 S 52

Outlier prograde
irregular moons

S/2006 S 12

S/2004 S 24

v t e Saturn
Outline
Geography	Dragon Storm Great White Spot Hexagon Magnetosphere Rings
Moons	S/2009 S 1 Ring moonlets Pan Daphnis Atlas Prometheus Pandora Epimetheus Janus Aegaeon Mimas Methone Anthe Pallene Enceladus Tethys Telesto Calypso Dione Helene Polydeuces Rhea Titan Hyperion Iapetus Inuit group Kiviuq Paaliaq Siarnaq Gallic group Albiorix Norse group Phoebe
Astronomy	Delta Octantis Saturn-crossing minor planets
Exploration	Cassini–Huygens (Huygens) timeline retirement Pioneer 11 Voyager program Voyager 1 Voyager 2
Related	Fiction The Day the Earth Smiled In Saturn's Rings (2018 documentary)
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