CONFIRMED EXOPLANET
·
Sub-Neptune
Kepler-639 b
Orbits Host Star: Kepler-639
· Distance: 2773.100 Light-Years (850.242 pc)
Planetary Radius
2.380 R⊕
Planetary Mass
6.260 M⊕
Surface Gravity
1.11 g / g⊕
Equilibrium Temp
957K (+684°C / +1263°F)
Orbital Period
10.214 days
Discovery Year
2016 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (957 K · +684°C / +1263°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Kepler.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS