Neptune vs Saturn
Saturn is about 2.4 times as wide as Neptune and Saturn runs the hotter. Saturn is the closer of the two to Earth, with an Earth-similarity index of 0.28.
| Neptune | Saturn | |
|---|---|---|
| Type | Ice / gas giant | Gas giant |
| Size (radius) | 3.88 R⊕ | 9.45 R⊕ |
| Surface gravity | 1.14× Earth | 1.07× Earth |
| Equilibrium temperature | -201°C (-330°F) | -139°C (-218°F) |
| Year (orbital period) | 165 years | 29.4 years |
| Distance from Earth | in our solar system | in our solar system |
| Earth-similarity index | 0.21 | 0.28 |
Common questions
Is Neptune bigger than Saturn?
Saturn is the larger of the two: Neptune is 3.88 R⊕ across and Saturn is 9.45 R⊕, where Earth is 1 R⊕.
Which has stronger gravity, Neptune or Saturn?
Neptune pulls harder: surface gravity is 1.14× Earth on Neptune and 1.07× Earth on Saturn.