STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // HD 199509 b
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CONFIRMED EXOPLANET · Gas Giant

HD 199509 b

Orbits Host Star: HD 199509 (Type G3V) · Distance: 79.300 Light-Years (24.306 pc)
Planetary Radius
7.430 R⊕
Planetary Mass
43.225 M⊕
Surface Gravity
0.78 g / g⊕
Equilibrium Temp
411K (+138°C / +280°F)
Orbital Period
99.622 days
Discovery Year
2022 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (411 K · +138°C / +280°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: Multiple Observatories.

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
Inspect Raw NASA Archive Record ↗