CONFIRMED EXOPLANET
·
Sub-Neptune
HD 28109 c
Orbits Host Star: HD 28109
(Type F8)
· Distance: 455.300 Light-Years (139.611 pc)
Planetary Radius
4.130 R⊕
Planetary Mass
9.200 M⊕
Surface Gravity
0.54 g / g⊕
Equilibrium Temp
643K (+370°C / +698°F)
Orbital Period
55.997 days
Discovery Year
2022 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (643 K · +370°C / +698°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