CONFIRMED EXOPLANET
·
Sub-Neptune
HD 191939 b
Orbits Host Star: HD 191939
(Type G9 V)
· Distance: 174.800 Light-Years (53.609 pc)
Planetary Radius
3.410 R⊕
Planetary Mass
10.000 M⊕
Surface Gravity
0.86 g / g⊕
Equilibrium Temp
880K (+607°C / +1125°F)
Orbital Period
8.88 days
Discovery Year
2020 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (880 K · +607°C / +1125°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).
Other Worlds in the HD 191939 System (5)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS