STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // HAT-P-18 b
← Return to All Worlds
CONFIRMED EXOPLANET · Gas Giant

HAT-P-18 b

Orbits Host Star: HAT-P-18 (Type K2) · Distance: 526.400 Light-Years (161.400 pc)
Planetary Radius
10.705 R⊕
Planetary Mass
55.525 M⊕
Surface Gravity
0.48 g / g⊕
Equilibrium Temp
841K (568°C)
Orbital Period
5.508 days
Discovery Year
2010 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (841 K) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: HATNet.

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
Inspect Raw NASA Archive Record ↗