CONFIRMED EXOPLANET
·
Sub-Neptune
HD 4308 b
Orbits Host Star: HD 4308
(Type G5V)
· Distance: 71.800 Light-Years (22.016 pc)
Planetary Radius
4.120 R⊕
Planetary Mass
15.892 M⊕
Surface Gravity
0.94 g / g⊕
Equilibrium Temp
799K (+526°C / +979°F)
Orbital Period
15.56 days
Discovery Year
2005 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (799 K · +526°C / +979°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: La Silla Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS