CONFIRMED EXOPLANET
·
Sub-Neptune
TOI-1221 b
Orbits Host Star: TOI-1221
· Distance: 451.400 Light-Years (138.411 pc)
Planetary Radius
2.910 R⊕
Planetary Mass
1112.399 M⊕
Surface Gravity
131.36 g / g⊕
Equilibrium Temp
440K (+167°C / +333°F)
Orbital Period
91.683 days
Discovery Year
2023 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (440 K · +167°C / +333°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS