NASA Home Sitemap Dictionary FAQ
+
+
+
Solar System Exploration Planets
SSE Home > Planets > Saturn > Facts & Figures
Solar System Exploration Home
News and Events
Planets
Missions
Science and Technology
Multimedia
People
Kids
Education
History
Saturn: Overview Saturn: Moons Saturn: Rings Saturn: Gallery Saturn: Facts & Figures Saturn: Kid's Eye View
Saturn: Facts & Figures
Discovered By
Known by the Ancients
Date of Discovery
Unknown
Average Distance from the Sun
Metric: 1,426,725,400 km
English: 885,904,700 miles
Scientific Notation: 1.4267254 x 109 km (9.53707 A.U.)
By Comparison: 9.53707 x Earth
Perihelion (closest)
Metric: 1,349,467,000 km
English: 838,519,000 miles
Scientific Notation: 1.349467 x 109 km (9.021 A.U.)
By Comparison: 9.177 x Earth
Aphelion (farthest)
Metric: 1,503,983,000 km
English: 934,530,000 miles
Scientific Notation: 1.503983 x 109 km (10.054 A.U.)
By Comparison: 9.886 x Earth
Equatorial Radius
Metric: 60,268 km
English: 37,449 miles
Scientific Notation: 6.0268 x 104 km
By Comparison: 9.449 x Earth
Equatorial Circumference
Metric: 378,675 km
English: 235,298 miles
Scientific Notation: 3.78675 x 105 km
Volume
Metric: 827,130,000,000,000 km3
Scientific Notation: 8.2713 x 1014 km3
By Comparison: 763.6 x Earth
Mass
Metric: 568,510,000,000,000,000,000,000,000 kg
Scientific Notation: 5.6851 x 1026 kg
By Comparison: 95.16 x Earth
Density
Metric: 0.70 g/cm3
By Comparison: 0.127 x Earth
Surface Area
Metric: 43,466,000,000 km2
English: 16,782,000,000 square miles
Scientific Notation: 4.3466 x 1010 km2
By Comparison: 85.22 x Earth
Equatorial Surface Gravity
Metric: 10.4* m/s2
English: 34.11 ft/s2
By Comparison: If you weigh 100 pounds on Earth, you would weigh 91 pounds on Saturn (at the equator). *Derived from a 1 bar radius of 60,268 km.
Escape Velocity
Metric: 127,760 km/h
English: 79,390 mph
Scientific Notation: 35,490 m/s
By Comparison: Escape velocity of Earth is 25,022 mph.
Sidereal Rotation Period (Length of Day)
0.44401 Earth days
10.656 hours
By Comparison: 0.445 x Earth
Sidereal Orbit Period (Length of Year)
29.4 Earth years
10755.7 Earth days
Mean Orbit Velocity
Metric: 34,821 km/h
English: 21,637 mph
Scientific Notation: 9,672.4 m/s
By Comparison: 0.865 x Earth
Orbital Eccentricity
.0541506
By Comparison: 3.24 x Earth
Orbital Inclination to Ecliptic
2.484 degrees
Equatorial Inclination to Orbit
26.73 degrees
By Comparison: 1.14 x Earth
Orbital Circumference
Metric: 8,725,000,000 km
English: 5,421,000,000 miles
Scientific Notation: 8.725 x 109 km
By Comparison: 9.439 x Earth
Effective Temperature
Metric: -178 °C
English: -288 °F
Scientific Notation: 95 K
Atmospheric Constituents
Hydrogen, Helium
Scientific Notation: H2, He
By Comparison: Earth's atmosphere consists mostly of N2 and O2.

Additional Information:

Namesake: Roman god of agriculture

Saturn's Moons
Explore more of NASA on the Web:
FirstGov - Your First Click to the U.S. Government
+
+
+
+
+
NASA Home Page
+