STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // HIP 99770 b
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CONFIRMED EXOPLANET · Gas Giant

HIP 99770 b

Orbits Host Star: HIP 99770 (Type A5-A6) · Distance: 130.700 Light-Years (40.077 pc)
Planetary Radius
12.200 R⊕
Planetary Mass
5403.083 M⊕
Surface Gravity
36.3 g / g⊕
Equilibrium Temp
135K (-138°C / -216°F)
Orbital Period
18600 days
Discovery Year
2023 (Imaging)

Habitability Assessment

❄️ Cryogenic Regime: At 135 K (-138°C / -216°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
Inspect Raw NASA Archive Record ↗