STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // HAT-P-9 b
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CONFIRMED EXOPLANET · Gas Giant

HAT-P-9 b

Orbits Host Star: HAT-P-9 (Type F7) · Distance: 1484.700 Light-Years (455.203 pc)
Planetary Radius
15.614 R⊕
Planetary Mass
238.055 M⊕
Surface Gravity
0.98 g / g⊕
Equilibrium Temp
1540K (+1267°C / +2313°F)
Orbital Period
3.923 days
Discovery Year
2008 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (1540 K · +1267°C / +2313°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: HATNet.

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
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