CONFIRMED EXOPLANET
·
Sub-Neptune
HD 39855 b
Orbits Host Star: HD 39855
(Type G8 V)
· Distance: 75.900 Light-Years (23.260 pc)
Planetary Radius
2.850 R⊕
Planetary Mass
8.500 M⊕
Surface Gravity
1.05 g / g⊕
Equilibrium Temp
1146K (+873°C / +1603°F)
Orbital Period
3.25 days
Discovery Year
2019 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (1146 K · +873°C / +1603°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Las Campanas Observatory.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS