CONFIRMED EXOPLANET
·
Sub-Neptune
K2-258 b
Orbits Host Star: K2-258
· Distance: 2158.700 Light-Years (661.873 pc)
Planetary Radius
3.000 R⊕
Planetary Mass
9.270 M⊕
Surface Gravity
1.03 g / g⊕
Equilibrium Temp
831K (+558°C / +1036°F)
Orbital Period
19.092 days
Discovery Year
2018 (Transit)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (831 K · +558°C / +1036°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: K2.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS