STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // HD 188641 b
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CONFIRMED EXOPLANET · Gas Giant

HD 188641 b

Orbits Host Star: HD 188641 · Distance: 209.800 Light-Years (64.340 pc)
Planetary Radius
11.900 R⊕
Planetary Mass
9333.031 M⊕
Surface Gravity
65.91 g / g⊕
Equilibrium Temp
114K (-159°C / -254°F)
Orbital Period
14583.81 days
Discovery Year
2022 (Radial Velocity)

Habitability Assessment

❄️ Cryogenic Regime: At 114 K (-159°C / -254°F), surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.

Discovery Facility: Multiple Observatories.

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
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