Exoplanet CatalogExoplanet TOI-2257 b
Radius2.19 R⊕Earth = 1
Mass5.4 M⊕Earth = 1
Orbital period35.19 d
Equilibrium temp.256 K≈ -17 °C
Distance188.5 ly
Discovered2021Transit
Size compared (radius, Earth = 1)
1.00
2.19
3.88
11.21
Where it sits among all planets (percentile)
33%
31%
74%
8%
17%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of TOI-2257 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| TOI-2257 b | 35.19 | 2.19 | 5.4 | 256 | 2021 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| TOI-2257 | M3 | 3,430 | 0.31 | 0.33 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.