Exoplanet CatalogExoplanet TOI-257 b
Radius7.16 R⊕Earth = 1
Mass43.9 M⊕Earth = 1
Orbital period18.39 d
Equilibrium temp.1,027 K≈ 754 °C
Distance250.8 ly
Discovered2021Transit
Size compared (radius, Earth = 1)
1.00
3.88
7.16
11.21
Where it sits among all planets (percentile)
68%
67%
63%
71%
21%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of TOI-257 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| TOI-257 b | 18.39 | 7.16 | 43.9 | 1,027 | 2021 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| TOI-257 | – | 6,095 | 1.87 | 1.41 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.