Saturn LIV

Saturn LIV, provisionally known as S/2004 S 20, 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.[3] It was given its permanent designation in June 2021.[4]

Saturn LIV
Discovery[1]
Discovered by	Sheppard et al.
Discovery date	2019
Designations
Alternative names	S/2004 S 20 S2423b[2]
Orbital characteristics [2]
Semi-major axis	19211000 km
Eccentricity	0.204
Orbital period (sidereal)	−990.23 days
Inclination	163.1°
Satellite of	Saturn
Group	Norse group
Physical characteristics
Mean diameter	4+50% −30% km
Apparent magnitude	25.0

Saturn LIV is about 4 kilometres in diameter, and orbits Saturn at an average distance of 19.418 Gm in 1010.55 days, at an inclination of 163° to the ecliptic, in a retrograde direction and with an eccentricity of 0.197.[3]

References

Discovery Circumstances from JPL
S.S. Sheppard (2019), Moons of Saturn, Carnegie Science, on line
"MPEC 2019-T126 : S/2004 S 20". minorplanetcenter.net. Retrieved 7 October 2019.
"M.P.C. 132212" (PDF). Minor Planet Center. International Astronomical Union. 1 June 2021. Retrieved 16 June 2021.

Moons of Saturn
Listed in approximately increasing distance from Saturn
Ring shepherds	S/2009 S 1 Ring moonlets Pan Daphnis Atlas Prometheus Pandora
Co-orbitals	Epimetheus Janus
G Ring	Aegaeon
Alkyonides	Methone Anthe Pallene
Inner large (with trojans)	Mimas Enceladus Tethys Telesto Calypso Dione Helene Polydeuces
Outer large	Rhea Titan Hyperion Iapetus
Inuit group (8)	S/2019 S 1 Kiviuq Ijiraq Paaliaq Saturn LX S/2004 S 31 Tarqeq Siarnaq
Norse group (46)	Phoebe Skathi S/2004 S 37 S/2007 S 2 Skoll S/2004 S 13 (?) Hyrrokkin Greip Mundilfari S/2006 S 1 S/2007 S 3 (?) Saturn LIV Bergelmir Narvi Jarnsaxa S/2004 S 17 (?) Suttungr Saturn LIX Hati S/2004 S 12 Bestla Farbauti Thrymr Saturn LV Saturn LXI Aegir Saturn LVII S/2004 S 7 (?) Saturn LXII Saturn LVI S/2004 S 28 Saturn LXV Kari Saturn LXVI S/2006 S 3 Fenrir Surtur Loge Ymir S/2004 S 21 S/2004 S 39 S/2004 S 36 Saturn LXIII Saturn LXIV Fornjot Saturn LVIII
Gallic group (4)	Albiorix Bebhionn Erriapus Tarvos
Prograde outer satellites	S/2004 S 24
Rings of Saturn Cassini–Huygens Themis Chiron S/2004 S 6 S/2004 S 4 S/2004 S 3 In fiction

Saturn
Outline of Saturn
Geography	Dragon Storm Great White Spot Hexagon Magnetosphere Rings
Moons	S/2009 S 1 Ring moonlets Pan Daphnis Atlas Prometheus S/2004 S 6 S/2004 S 4 S/2004 S 3 Pandora Epimetheus Janus Aegaeon Mimas Methone Anthe Pallene Enceladus Tethys Telesto Calypso Dione Helene Polydeuces Rhea Titan Hyperion Iapetus S/2019 S 1 Kiviuq Ijiraq Phoebe Paaliaq Skathi S/2004 S 37 Albiorix S/2007 S 2 Saturn LX Bebhionn Erriapus Skoll S/2004 S 31 Siarnaq Tarqeq S/2004 S 13 Greip Hyrrokkin Jarnsaxa Tarvos Mundilfari S/2006 S 1 S/2004 S 17 Bergelmir Narvi Saturn LIV Suttungr Hati S/2004 S 12 Saturn LIX Farbauti Thrymr Saturn LXI Aegir S/2007 S 3 Bestla S/2004 S 7 Saturn LV Saturn LVI Saturn LVII Saturn LXII S/2006 S 3 Saturn LXVI Fenrir S/2004 S 28 Surtur Kari Saturn LXV Ymir S/2004 S 21 S/2004 S 24 Loge S/2004 S 36 S/2004 S 39 Saturn LXIII Saturn LXIV Fornjot Saturn LVIII
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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