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Saturn
![]() Orbital CharacteristicsAphelion: 1,513,325,783 km, 10.11595804 AE Semi-major axis: 1,433,449,370 km, 9.58201720 AE Eccentricity: 0.055723219 Orbital period: 10,832.327 days, 29.657296 years Synodic period: 378.09 days Average orbital speed: 9.69 km/s Mean anomaly: 320.346750° Inclination: 2.485 240° Longitude of ascending node: 113.642811° Argument of perihelion: 336.013862° Satellites/moons: 60 (Mimas, Enceladus, Tethys, Dione, Rhea, Titan, Hyperion, Iapetus, Erriapus, Phoebe, Janus, Epimetheus, Helene, Telesto, Calypso, Kiviuq, Atlas, Prometheus, Pandora, Pan, Ymir, Paaliaq, Tarvos, Ijiraq, Suttungr, Mundilfari, Albiorix, Skathi, Siarnaq, Thrymr, Narvi, Methone, Pallene, Polydeuces, Daphnis, Aegir, Bebhionn, Bergelmir, Bestla, Farbauti, Fenrir, Fornjot, Hati, Hyrokkin, Kari, Loge, Skoll, Surtur, S/2004 S7, S/2004 S12, S/2004 S13, S/2004 S17, S/2006 S1, S/2006 S3, Greip, Jarnsaxa, Tarqeq, S/2007 S2, S/2007 S3, Anthe) ![]() Physical CharacteristicsFlattening: 0.09796 ± 0.00018 Surface area: 4.27×1010 km2 (83.703 x Earth) Volume: 8.2713×1014 km3 (763.59 x Earth) Mass: 5.6846×1026 kg (95.152 x Earth) Mean density: 0.687 g/cm3 Equatorial surface gravity: 8.96 m/s2 Escape velocity: 35.5 km/s Sidereal rotation period: 0.439 – 0.449 day Earth days, 10 h 32 – 47 min) Earth hours Axial tilt : 26.73° Albedo: 0.47 Average surface temperatures: 95 K, -178 °C, -288 °F Apparent magnitude: +1.2 to -0.24 Angular diameter: 14.5" — 20.1" ![]() The Atmosphere |