Earth vs Titan
Earth is about 2.5 times as wide as Titan and Earth runs the hotter. Earth is the closer of the two to Earth, with an Earth-similarity index of 1.00.
| Earth | Titan | |
|---|---|---|
| Type | Rocky world | Rocky world |
| Size (radius) | 1.00 R⊕ | 0.40 R⊕ |
| Surface gravity | 1.00× Earth | 0.14× Earth |
| Equilibrium temperature | 15°C (59°F) | -179°C (-290°F) |
| Year (orbital period) | 365 days | 29.4 years |
| Distance from Earth | in our solar system | in our solar system |
| Earth-similarity index | 1.00 | 0.28 |
Common questions
Is Earth bigger than Titan?
Earth is the larger of the two: Earth is 1.00 R⊕ across and Titan is 0.40 R⊕, where Earth is 1 R⊕.
Which has stronger gravity, Earth or Titan?
Earth pulls harder: surface gravity is 1.00× Earth on Earth and 0.14× Earth on Titan.