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 Saturn
Perihelion: 1,353,572,956 km, 9.04807635 AE
Aphelion: 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)
Equatorial radius: 60,268 km (9.4492 x Earth)
Flattening: 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"
Composition: 96.3% Molecular Hydrogen (H2)
3.25% Helium
0.4% Methane (CH4)
125 ppm Ammonia (NH3)
110 ppm Hydrogen Deuteride (HD)
7ppm Ethane (C2H6)
Saturn images:
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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 Completes Milestone Toward Quieter Supersonic X-Plane
NASA has achieved a significant milestone in its effort to make supersonic passenger jet travel over land a real possibility by completing the preliminary design review (PDR) of its Quiet Supersonic Transport or QueSST aircraft design.
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NASA Awards Contract for Institutional Support Services
NASA has awarded the Kennedy Space Center Institutional Support Services IV (KISS IV) contract to Apache-Logical Joint Venture of Albuquerque, New Mexico.
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Media Accreditation Open for Launch of NASA’s Newest Communications Satellite
Media accreditation is open for the launch of NASA's Tracking and Data Relay Satellite (TDRS)-M. Liftoff on a United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida is targeted for 9:02 a.m. EDT Aug. 3, at the opening of a 40-minute launch window.
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NASA Awards Contract for Atmospheric Trace-Gas Monitoring Mission
NASA has awarded a contract to the University of Oklahoma in Norman for a first-of-its-kind Earth science mission that will extend our nation’s lead in measuring key carbon-based greenhouse gases and vegetation health from space to advance our understanding of Earth’s natural exchanges of carbon between the land, atmosphere and ocean.
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NASA Opens Media Credentialing for Sept. 15 Cassini Saturn Finale
Media accreditation is now open for events around the conclusion of Cassini's mission at Saturn. The spacecraft, which has explored the ringed planet and its moons since 2004, will make a fateful plunge into Saturn's atmosphere on Sept. 15, ending its long and discovery-rich mission.
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NASA Selects Logistics Management Services Contractor
NASA has selected Lockwood Hills Federal, LLC of Herndon, Virginia, to provide institutional logistics management services for the agency’s Ames Research Center in Moffett Field, California.
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NASA Prepares for Aug. 21 Total Solar Eclipse with Live Coverage, Safety Information
For the first time in 99 years, a total solar eclipse will occur across the entire continental United States, and NASA is preparing to share this experience of a lifetime on Aug. 21.
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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.
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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.
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