CONFIRMED EXOPLANET
·
Gas Giant
TOI-257 b
Orbits Host Star: TOI-257
· Distance: 250.800 Light-Years (76.903 pc)
Planetary Radius
7.163 R⊕
Planetary Mass
43.860 M⊕
Surface Gravity
0.85 g / g⊕
Equilibrium Temp
1027K (+754°C / +1389°F)
Orbital Period
18.388 days
Discovery Year
2021 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (1027 K · +754°C / +1389°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS