CONFIRMED EXOPLANET
·
Sub-Neptune
GJ 338 B b
Orbits Host Star: GJ 338 B
(Type M0 V)
· Distance: 20.700 Light-Years (6.333 pc)
Planetary Radius
3.250 R⊕
Planetary Mass
10.600 M⊕
Surface Gravity
1 g / g⊕
Equilibrium Temp
391K (+118°C / +244°F)
Orbital Period
24.422 days
Discovery Year
2020 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (391 K · +118°C / +244°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Calar Alto Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS