Périhélie: 1,353,572,956 km, 9.04807635 AE
Aphélie: 1,513,325,783 km, 10.11595804 AE
Demi-grand axe: 1,433,449,370 km, 9.58201720 AE
Période de révolution: 10,832.327 jours, 29.657296 années
Période synodique: 378.09 jours
Vitesse orbitale moyenne: 9.69 km/s
Anomalie moyenne: 320.346750°
Inclinaison: 2.485 240°
Longitude du nœud ascendant: 113.642811°
Argument du périhélie: 336.013862°
Satellites/Lunes: 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)
Rayon équatorial: 60,268 km (9.4492 x Terre)
Aplatissement: 0.09796 ± 0.00018
Superficie: 4.27×1010 km2 (83.703 x Terre)
Volume: 8.2713×1014 km3 (763.59 x Terre)
Masse: 5.6846×1026 kg (95.152 x Terre)
Masse volumique moyenne: 0.687 g/cm3
Gravité à la surface: 8.96 m/s2
Vitesse de libération: 35.5 km/s
Sidereal rotation period: 0.439 – 0.449 day Earth days, 10 h 32 – 47 min) Earth hours
Inclinaison de l’axe: 26.73°
Albédo moyen: 0.47
Température de surface: 95 K, -178 °C, -288 °F
Magnitude apparente: +1.2 to -0.24
Diamètre angulaire: 14.5" — 20.1"
Composition: 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
International Space Station Crew Invites Public Along for Photographic Trip Around World
NASA astronaut and Expedition 53 Commander Randy Bresnik will spend one full orbit photographing Earth from the International Space Station on Monday, Oct. 23, and he is inviting people around the globe to share images from their Earth-side vantage point on social media.
NASA Awards Launch Services Contract for Sentinel-6A Mission
NASA has selected Space Exploration Technologies (SpaceX) of Hawthorne, California, to provide launch services for the Sentinel-6A mission. Launch is currently targeted for November 2020, on a SpaceX Falcon 9 Full Thrust rocket from Space Launch Complex 4E at Vandenberg Air Force Base in California.
NASA Awards Launch Services Contract for Landsat 9 Mission
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NASA Missions Catch First Light from a Gravitational-Wave Event
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NASA Announces Briefing on Carbon Mission Science Results
NASA will hold a media teleconference at 2 p.m. EDT Thursday, Oct. 12, to discuss new research to be published this week on changing global levels of carbon dioxide in the atmosphere. The research is based on data from NASA’s Orbiting Carbon Observatory-2 (OCO-2) mission and other satellites.
NASA TV to Broadcast Hispanic Heritage Event
NASA will celebrate Hispanic Heritage Month at the James Webb Auditorium in the agency’s headquarters in Washington on Thursday, Oct. 12, with a discussion of the contributions of Hispanics to NASA’s mission and the importance of Hispanic representation in science, technology, engineering and mathematics (STEM) education and careers.
NASA to Televise International Space Station Cargo Ship Launch, Docking
NASA Television will provide live coverage of the launch and docking of a Russian cargo spacecraft delivering almost three tons of food, fuel and supplies to the International Space Station beginning at 5:15 a.m. EDT Thursday, Oct. 12.