CONFIRMED EXOPLANET
·
Sub-Neptune
Kepler-669 b
Orbits Host Star: Kepler-669
· Distance: 6729.900 Light-Years (2063.410 pc)
Planetary Radius
4.830 R⊕
Planetary Mass
20.800 M⊕
Surface Gravity
0.89 g / g⊕
Equilibrium Temp
1243K (+970°C / +1778°F)
Orbital Period
4.126 days
Discovery Year
2016 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (1243 K · +970°C / +1778°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Kepler.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS