CONFIRMED EXOPLANET
·
Sub-Neptune
HD 28109 d
Orbits Host Star: HD 28109
(Type F8)
· Distance: 455.300 Light-Years (139.611 pc)
Planetary Radius
3.110 R⊕
Planetary Mass
5.800 M⊕
Surface Gravity
0.6 g / g⊕
Equilibrium Temp
561K (+288°C / +550°F)
Orbital Period
84.29 days
Discovery Year
2022 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (561 K · +288°C / +550°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).
Other Worlds in the HD 28109 System (2)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS