STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // 4 UMa b
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CONFIRMED EXOPLANET · Gas Giant

4 UMa b

Orbits Host Star: 4 UMa (Type K1 III) · Distance: 239.600 Light-Years (73.460 pc)
Planetary Radius
12.600 R⊕
Planetary Mass
2511.480 M⊕
Surface Gravity
15.82 g / g⊕
Equilibrium Temp
967K (+694°C / +1281°F)
Orbital Period
270.27 days
Discovery Year
2006 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (967 K · +694°C / +1281°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: Thueringer Landessternwarte Tautenburg.

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
Inspect Raw NASA Archive Record ↗