CONFIRMED EXOPLANET
·
Sub-Neptune
TOI-139 b
Orbits Host Star: TOI-139
· Distance: 138.300 Light-Years (42.406 pc)
Planetary Radius
2.457 R⊕
Planetary Mass
6.600 M⊕
Surface Gravity
1.09 g / g⊕
Equilibrium Temp
561K (+288°C / +550°F)
Orbital Period
11.071 days
Discovery Year
2023 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (561 K · +288°C / +550°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS