Neptune vs Uranus
Neptune and Uranus are close in size and they sit at a similar temperature.
| Neptune | Uranus | |
|---|---|---|
| Type | Ice / gas giant | Ice / gas giant |
| Size (radius) | 3.88 R⊕ | 4.01 R⊕ |
| Surface gravity | 1.14× Earth | 0.90× Earth |
| Equilibrium temperature | -201°C (-330°F) | -197°C (-323°F) |
| Year (orbital period) | 165 years | 84.0 years |
| Distance from Earth | in our solar system | in our solar system |
| Earth-similarity index | 0.21 | 0.21 |
Common questions
Is Neptune bigger than Uranus?
Uranus is the larger of the two: Neptune is 3.88 R⊕ across and Uranus is 4.01 R⊕, where Earth is 1 R⊕.
Which has stronger gravity, Neptune or Uranus?
Neptune pulls harder: surface gravity is 1.14× Earth on Neptune and 0.90× Earth on Uranus.