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Ouranos › The Sun, the planets and the dwarf planets

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Planet

Saturn

Open in Ouranos Compare its size

Its main rings are about 270,000 km across and typically only about ten metres thick.

Measured

Equatorial radius: 60,268 km
From the Earth today: 8.7 AU (1.3 billion km)

How far, from the Earth

8.7 AU. To cross it:

Light1 hour 12 minutes
Voyager 1's speed2.44 years
Driving at 100 km/h1,480 years

Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.

Spacecraft that went there

Voyager 1 — Flew past on 12 November 1980.
Voyager 2 — Flew past on 26 August 1981.
Pioneer 11 — The first to fly past, on 1 September 1979.

Moons (291 in Ouranos)

Mimas Enceladus Tethys Dione Rhea Titan Iapetus S/2009 S 2 Pan Atlas Prometheus Pandora Epimetheus Janus Aegaeon Methone Anthe Pallene Telesto Calypso Helene Polydeuces Hyperion S/2023 S 1 S/2019 S 1 S/2004 S 54 S/2023 S 56 S/2004 S 55 S/2020 S 11 S/2019 S 22 S/2020 S 49 Kiviuq S/2023 S 2 S/2019 S 23 S/2020 S 12 S/2005 S 4 S/2019 S 25 S/2020 S 1 Ijiraq S/2020 S 48 S/2019 S 24 S/2007 S 10 S/2019 S 26 S/2020 S 13 S/2023 S 50 S/2023 S 6 S/2023 S 7 Phoebe S/2023 S 9 S/2006 S 20 S/2004 S 56 S/2023 S 8 S/2023 S 62 S/2023 S 11 S/2006 S 9 S/2006 S 21 Paaliaq S/2006 S 22 S/2023 S 13 S/2023 S 10 Skathi S/2023 S 12 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/2020 S 14 S/2019 S 27 Albiorix S/2019 S 2 S/2020 S 15 S/2023 S 14 S/2023 S 55 S/2020 S 16 S/2023 S 16 Bebhionn S/2007 S 8 S/2004 S 29 S/2019 S 3 S/2020 S 17 S/2023 S 53 S/2023 S 58 S/2023 S 20 S/2019 S 29 S/2023 S 18 S/2023 S 17 S/2020 S 7 S/2007 S 11 S/2023 S 54 S/2023 S 60 S/2019 S 28 S/2004 S 31 Erriapus S/2023 S 19 Skoll S/2023 S 3 S/2019 S 30 S/2020 S 19 S/2019 S 31 Tarqeq S/2023 S 21 S/2023 S 4 S/2020 S 18 S/2019 S 14 S/2020 S 2 Siarnaq S/2019 S 4 S/2019 S 32 S/2020 S 20 S/2020 S 3 S/2023 S 61 S/2004 S 41 S/2005 S 6 S/2004 S 57 S/2019 S 6 S/2006 S 24 Tarvos S/2020 S 4 S/2023 S 30 S/2004 S 42 S/2023 S 15 S/2004 S 58 S/2006 S 23 Hyrrokkin S/2023 S 24 Greip S/2020 S 5 S/2019 S 34 S/2004 S 13 S/2023 S 63 S/2005 S 7 S/2007 S 6 S/2019 S 35 S/2006 S 25 S/2023 S 22 Mundilfari S/2006 S 26 S/2019 S 33 S/2006 S 1 S/2023 S 23 S/2020 S 21 S/2020 S 46 S/2004 S 43 S/2006 S 10 S/2019 S 5 S/2023 S 25 S/2004 S 59 S/2006 S 27 Gridr Bergelmir Jarnsaxa Narvi S/2023 S 44 Suttungr S/2020 S 22 S/2004 S 44 S/2004 S 60 S/2006 S 12 S/2007 S 3 S/2004 S 45 Hati S/2004 S 17 S/2006 S 11 S/2004 S 12 S/2020 S 23 S/2023 S 27 Eggther S/2023 S 28 S/2023 S 37 S/2023 S 26 S/2019 S 36 S/2006 S 13 S/2019 S 37 S/2023 S 48 S/2023 S 29 S/2023 S 59 S/2007 S 9 S/2019 S 7 S/2019 S 8 Farbauti Thrymr Bestla S/2019 S 9 S/2023 S 32 S/2004 S 46 S/2023 S 57 Angrboda S/2020 S 24 S/2019 S 11 Aegir S/2019 S 10 Beli S/2023 S 31 S/2020 S 25 S/2023 S 34 S/2023 S 39 S/2019 S 12 Gerd S/2019 S 13 S/2004 S 61 S/2006 S 14 S/2023 S 40 Gunnlod S/2019 S 15 S/2020 S 6 S/2020 S 26 S/2023 S 41 S/2004 S 7 S/2006 S 3 S/2005 S 5 S/2020 S 47 Skrymir S/2023 S 33 S/2006 S 16 S/2023 S 49 S/2020 S 30 S/2006 S 15 S/2020 S 27 S/2023 S 42 S/2004 S 28 S/2020 S 32 S/2006 S 28 S/2020 S 8 S/2020 S 28 Alvaldi S/2019 S 38 Kari S/2004 S 48 S/2023 S 36 Geirrod S/2023 S 35 S/2020 S 29 Fenrir S/2004 S 50 S/2006 S 17 S/2004 S 49 S/2020 S 34 S/2020 S 31 S/2023 S 52 S/2023 S 43 S/2019 S 17 Surtur S/2006 S 18 S/2020 S 36 Loge S/2020 S 33 Ymir S/2020 S 35 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 24 S/2004 S 36 S/2023 S 51 S/2023 S 45 S/2020 S 45 Thiazzi S/2020 S 38 S/2019 S 20 S/2020 S 37 S/2019 S 39 S/2020 S 40 S/2006 S 19 S/2019 S 40 S/2019 S 42 S/2004 S 34 S/2020 S 39 S/2019 S 41 S/2023 S 46 Fornjot S/2023 S 47 S/2004 S 51 S/2006 S 29 S/2020 S 10 S/2020 S 42 S/2020 S 9 S/2023 S 5 S/2020 S 41 S/2004 S 26 S/2019 S 21 S/2004 S 52 S/2020 S 43 S/2019 S 43 S/2019 S 44 S/2020 S 44 S/2023 S 38

Where this comes from

Planets, Pluto, the Moon and Jupiter's big moons: astronomy-engine (Don Cross, MIT). Other moons: JPL Planetary Satellite Mean Elements. Ceres, Eris, Haumea, Makemake: JPL Small-Body Database. NASA/JPL-Caltech.

Every catalogue Ouranos draws is credited on the credits page.