Saturn vs. Neptune vs. Uranus

Discovery

Discovered By

Unknown

n/a

n/a

Discovery Site

Unknown

n/a

n/a

Discovered At

Prehistoric

n/a

n/a

Physical Characteristics

Mean Diameter

Volume

Mass

Mean Density

Surface Gravity

Mean Temperature

Atmosphere Characteristics

Surface Pressure

Composition

96% H, 3% He

80% H, 19% He

83% H, 15% He

Surroundings

Natural Satellites

Ring System

Global Magnetic Field

Orbital Characteristics

Median Orbital Radius

Apoapsis / Aphelion

Periapsis / Perihelion

Sideral Orbital Period

Sideral Rotation Period