Saturn
👁️ Naked-eye🚀 Visited by spacecraft
📋 A written introduction is coming — for now this page shows official values only.
NowLIVE
地球からの距離
8.5730 AU
1,282,507,393 km
光が届く時間
1h 11m
光の速さで
Computed 2026-11-03 23:07 UTC · planets astronomy-engine (VSOP87) · comets JPL elements (two-body)
Physical data
- Mean radius
- 58,232 km
- Equatorial radius
- 60,268 km
- Mass
- 568.317 × 10²⁴ kg
- Density
- 0.6871 g/cm³
- Surface gravity
- 10.44 m/s²
- Escape velocity
- 36.09 km/s
- Rotation period
- 0.44401 days
- Orbital period
- 29.4475 years
- Albedo
- 0.47
- Absolute magnitude V(1,0)
- -8.88 mag
Source:NASA JPL Solar System Dynamics · checked 2026-11-02 ↗
Orbit
- Semi-major axis
- 9.5367 AU
- Eccentricity
- 0.053862
- Inclination
- 2.486°
Source:NASA JPL Solar System Dynamics · checked 2026-11-02 ↗
Related
Moons
MimasEnceladusTethysDioneRheaTitanHyperionIapetusPhoebeHeleneTelestoCalypsoMethonePolydeucesJanusEpimetheusAtlasPrometheusPandoraPanPalleneDaphnisAntheAegaeonYmirPaaliaqTarvosIjiraqSuttungrKiviuqMundilfariAlbiorixSkathiErriapusSiarnaqThrymrNarviAegirBebhionnBergelmirBestlaFarbautiFenrirFornjotHatiHyrrokkinKariLogeSkollSurturJarnsaxaGreipTarqeqGridrAngrbodaSkrymirGerdEggtherBeliGunnlod
+ 229 small moons without names (provisional designations in the NASA JPL table)
In everyday life
- Its diameter is about 9.1 times Earth's (radius 58,232 km ÷ Earth's 6,371 km).
- It takes about 29.4 Earth years to orbit the Sun.
- Sunlight needs about 79 minutes to reach it on average (semi-major axis 9.5 AU) — versus about 8 min 19 s to Earth.