CONFIRMED EXOPLANET
·
Sub-Neptune
Kepler-257 b
Orbits Host Star: Kepler-257
· Distance: 2544.900 Light-Years (780.256 pc)
Planetary Radius
2.610 R⊕
Planetary Mass
7.320 M⊕
Surface Gravity
1.07 g / g⊕
Equilibrium Temp
1237K (+964°C / +1767°F)
Orbital Period
2.383 days
Discovery Year
2014 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (1237 K · +964°C / +1767°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Kepler.
Other Worlds in the Kepler-257 System (2)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS