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

55 Cnc c

Orbits Host Star: 55 Cnc (Type G8 V) · Distance: 41.000 Light-Years (12.586 pc)
Planetary Radius
8.510 R⊕
Planetary Mass
54.474 M⊕
Surface Gravity
0.75 g / g⊕
Equilibrium Temp
499K (+226°C / +439°F)
Orbital Period
44.394 days
Discovery Year
2004 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (499 K · +226°C / +439°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: McDonald Observatory.

Other Worlds in the 55 Cnc System (4)

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
Inspect Raw NASA Archive Record ↗