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TOI-2257 b
Orbiting TOI-2257, discovered in 2021 (7526) by Transiting Exoplanet Survey Satellite (TESS) via the Transit method.
Planet
| Radius | 2.19 R⊕ |
| Mass | Unknown |
| Orbital period | 35.19 Earth days (~0.1 Earth years) |
| Orbital eccentricity | 0.496 |
| Equilibrium temperature | 256 K (-17 °C) |
Host star — TOI-2257
| Temperature | 3430 K (3157 °C) |
| Radius | 0.31 R☉ |
| Mass | 0.33 M☉ |
Location
| Distance from Earth | 57.8 pc (~188 light-years) |
| Right ascension / Declination | 194.7396 / 77.6617 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.