CONFIRMED EXOPLANET
·
Sub-Neptune
HD 5278 c
Orbits Host Star: HD 5278
(Type F V)
· Distance: 187.800 Light-Years (57.585 pc)
Planetary Radius
4.490 R⊕
Planetary Mass
18.400 M⊕
Surface Gravity
0.91 g / g⊕
Equilibrium Temp
665K (+392°C / +738°F)
Orbital Period
40.87 days
Discovery Year
2021 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (665 K · +392°C / +738°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Paranal Observatory.
Other Worlds in the HD 5278 System (1)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS