CONFIRMED EXOPLANET
·
Sub-Neptune
HD 219666 b
Orbits Host Star: HD 219666
(Type G5 V)
· Distance: 307.100 Light-Years (94.172 pc)
Planetary Radius
4.898 R⊕
Planetary Mass
17.600 M⊕
Surface Gravity
0.73 g / g⊕
Equilibrium Temp
1076K (+803°C / +1477°F)
Orbital Period
6.034 days
Discovery Year
2018 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (1076 K · +803°C / +1477°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS