CONFIRMED EXOPLANET · Sub-Neptune

K2-331 c

Orbits Host Star: K2-331 · Distance: 689.600 Light-Years (211.430 pc)

Planetary Radius

2.720 R⊕

Planetary Mass

7.850 M⊕

Surface Gravity

1.06 g / g⊕

Equilibrium Temp

673K (+400°C / +752°F)

Orbital Period

22.997 days

Discovery Year

2021 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (673 K · +400°C / +752°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: K2.

Other Worlds in the K2-331 System (1)

K2-331 b

Super-Earth · 9.4d

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS

Inspect Raw NASA Archive Record ↗