CONFIRMED EXOPLANET
·
Gas Giant
HD 4917 b
Orbits Host Star: HD 4917
(Type K0 III/IV)
· Distance: 666.300 Light-Years (204.277 pc)
Planetary Radius
13.500 R⊕
Planetary Mass
513.295 M⊕
Surface Gravity
2.82 g / g⊕
Equilibrium Temp
480K (+207°C / +405°F)
Orbital Period
400.5 days
Discovery Year
2018 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (480 K · +207°C / +405°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: W. M. Keck Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS