CONFIRMED EXOPLANET
·
Sub-Neptune
K2-138 c
Orbits Host Star: K2-138
(Type G8 V)
· Distance: 660.700 Light-Years (202.585 pc)
Planetary Radius
2.299 R⊕
Planetary Mass
6.310 M⊕
Surface Gravity
1.19 g / g⊕
Equilibrium Temp
1012K (+739°C / +1362°F)
Orbital Period
3.56 days
Discovery Year
2017 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (1012 K · +739°C / +1362°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: K2.
Other Worlds in the K2-138 System (5)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS