TRAPPIST-1 e vs TRAPPIST-1 f
TRAPPIST-1 f is about 1.1 times as wide as TRAPPIST-1 e and TRAPPIST-1 e runs the hotter. TRAPPIST-1 e is the closer of the two to Earth, with an Earth-similarity index of 0.95.
| TRAPPIST-1 e | TRAPPIST-1 f | |
|---|---|---|
| Type | Rocky world | Rocky world |
| Size (radius) | 0.92 R⊕ | 1.04 R⊕ |
| Surface gravity | 0.82× Earth | 0.95× Earth |
| Equilibrium temperature | -23°C (-10°F) | -55°C (-68°F) |
| Year (orbital period) | 6.1 days | 9.2 days |
| Distance from Earth | 40.5 ly | 40.5 ly |
| Earth-similarity index | 0.95 | 0.88 |
Common questions
Is TRAPPIST-1 e bigger than TRAPPIST-1 f?
TRAPPIST-1 f is the larger of the two: TRAPPIST-1 e is 0.92 R⊕ across and TRAPPIST-1 f is 1.04 R⊕, where Earth is 1 R⊕.
Which has stronger gravity, TRAPPIST-1 e or TRAPPIST-1 f?
TRAPPIST-1 f pulls harder: surface gravity is 0.82× Earth on TRAPPIST-1 e and 0.95× Earth on TRAPPIST-1 f.