STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // HD 177565 b
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CONFIRMED EXOPLANET · Sub-Neptune

HD 177565 b

Orbits Host Star: HD 177565 (Type G8V) · Distance: 55.200 Light-Years (16.918 pc)
Planetary Radius
4.000 R⊕
Planetary Mass
15.100 M⊕
Surface Gravity
0.94 g / g⊕
Equilibrium Temp
539K (+266°C / +511°F)
Orbital Period
44.505 days
Discovery Year
2017 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (539 K · +266°C / +511°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: La Silla Observatory.

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
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