STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // HAT-P-57 b
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CONFIRMED EXOPLANET · Gas Giant

HAT-P-57 b

Orbits Host Star: HAT-P-57 (Type A8 V) · Distance: 912.800 Light-Years (279.860 pc)
Planetary Radius
19.504 R⊕
Planetary Mass
448.140 M⊕
Surface Gravity
1.18 g / g⊕
Equilibrium Temp
2200K (+1927°C / +3501°F)
Orbital Period
2.465 days
Discovery Year
2015 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (2200 K · +1927°C / +3501°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: HATNet.

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
Inspect Raw NASA Archive Record ↗