STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // 55 Cnc b
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CONFIRMED EXOPLANET · Gas Giant

55 Cnc b

Orbits Host Star: 55 Cnc (Type G8 V) · Distance: 41.000 Light-Years (12.586 pc)
Planetary Radius
13.900 R⊕
Planetary Mass
263.979 M⊕
Surface Gravity
1.37 g / g⊕
Equilibrium Temp
700K (+427°C / +801°F)
Orbital Period
14.652 days
Discovery Year
1996 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (700 K · +427°C / +801°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: Lick Observatory.

Other Worlds in the 55 Cnc System (4)

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
Inspect Raw NASA Archive Record ↗