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Saturn Quick Facts

Saturn is the sixth planet from the Sun and the second largest.

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: 7.207 m/s2
English: 23.64 ft/s2
By Comparison: If you weigh 100 pounds on Earth, you would weigh 74 pounds on Saturn.
     
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: .0445 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.

Source: NASA


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