CONFIRMED EXOPLANET
·
Gas Giant
KOI-1257 b
Orbits Host Star: KOI-1257
(Type G5 V)
· Distance: 2139.600 Light-Years (656.000 pc)
Planetary Radius
10.540 R⊕
Planetary Mass
460.830 M⊕
Surface Gravity
4.15 g / g⊕
Equilibrium Temp
511K (+238°C / +460°F)
Orbital Period
86.648 days
Discovery Year
2014 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (511 K · +238°C / +460°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Kepler.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS