CONFIRMED EXOPLANET
·
Sub-Neptune
Kapteyn c
Orbits Host Star: Kapteyn
(Type M2.0V)
· Distance: 12.800 Light-Years (3.933 pc)
Planetary Radius
2.540 R⊕
Planetary Mass
7.000 M⊕
Surface Gravity
1.09 g / g⊕
Equilibrium Temp
166K (-107°C / -161°F)
Orbital Period
121.54 days
Discovery Year
2014 (Radial Velocity)
Habitability Assessment
❄️ Cryogenic Regime: At 166 K (-107°C / -161°F), surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.
Discovery Facility: Multiple Observatories.
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS