Perihel: 1,353,572,956 km, 9.04807635 AE
Aphel: 1,513,325,783 km, 10.11595804 AE
Große Halbachse: 1,433,449,370 km, 9.58201720 AE
Siderische Umlaufzeit: 10,832.327 Tage, 29.657296 Jahre
Synodische Umlaufzeit: 378.09 Tage
Mittlere Orbitalgeschwindigkeit: 9.69 km/s
Mittlere Anomalie: 320.346750°
Neigung der Bahnebene: 2.485 240°
Argument des Knotens: 113.642811°
Argument des Perihels: 336.013862°
Satelliten/Monde: 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)
Äquatorradius: 60,268 km (9.4492 x Erde)
Abplattung: 0.09796 ± 0.00018
Oberfläche: 4.27×1010 km2 (83.703 x Erde)
Volumen: 8.2713×1014 km3 (763.59 x Erde)
Masse: 5.6846×1026 kg (95.152 x Erde)
Mittlere Dichte: 0.687 g/cm3
Fallbeschleunigung: 8.96 m/s2
Fluchtgeschwindigkeit: 35.5 km/s
Sidereal rotation period: 0.439 – 0.449 day Earth days, 10 h 32 – 47 min) Earth hours
Neigung der Rotationsachse: 26.73°
Geometrische Albedo: 0.47
Mittlere Oberflächentemperaturen: 95 K, -178 °C, -288 °F
Scheinbare Helligkeit: +1.2 to -0.24
Winkeldurchmesser: 14.5" — 20.1"
Zusammensetzung: 96.3% Molecular Hydrogen (H2)
0.4% Methane (CH4)
125 ppm Ammonia (NH3)
110 ppm Hydrogen Deuteride (HD)
7ppm Ethane (C2H6)
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NASA Breaking News
NASA Celebrates International Asteroid Day with Special Broadcast
NASA will mark the worldwide observance of International Asteroid Day at noon EDT Friday, June 30, with a special television program featuring the agency’s Planetary Defense Coordination Office and other projects working to find and study near-Earth objects (NEOs). The program will air on NASA Television and the agency’s website.
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NASA Debuts Automated System to Streamline Technology Patent Licensing
NASA has developed a new system to streamline the way the agency licenses its technology patents, making the transfer of NASA-patented innovations to industry easier than ever before.
NASA Awards Joint Operations, Integrated Systems Technology Contracts
NASA has awarded contracts to five companies for development, sustainment, and maintenance of information technology software, systems and support for the Flight Operations Directorate at NASA’s Johnson Space Center in Houston.