CONFIRMED EXOPLANET
·
Terrestrial
Kepler-398 d
Orbits Host Star: Kepler-398
· Distance: 578.500 Light-Years (177.355 pc)
Planetary Radius
0.880 R⊕
Planetary Mass
0.615 M⊕
Surface Gravity
0.79 g / g⊕
Equilibrium Temp
636K (+363°C / +685°F)
Orbital Period
6.834 days
Discovery Year
2016 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (636 K · +363°C / +685°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Kepler.
Other Worlds in the Kepler-398 System (2)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS