STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // K2-405 b
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CONFIRMED EXOPLANET · Sub-Neptune

K2-405 b

Orbits Host Star: K2-405 (Type K0) · Distance: 643.300 Light-Years (197.234 pc)
Planetary Radius
4.569 R⊕
Planetary Mass
18.900 M⊕
Surface Gravity
0.91 g / g⊕
Equilibrium Temp
969K (+696°C / +1285°F)
Orbital Period
3.435 days
Discovery Year
2022 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (969 K · +696°C / +1285°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: K2.

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
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