CONFIRMED EXOPLANET
·
Sub-Neptune
GJ 3138 d
Orbits Host Star: GJ 3138
(Type M0)
· Distance: 92.900 Light-Years (28.471 pc)
Planetary Radius
3.230 R⊕
Planetary Mass
10.500 M⊕
Surface Gravity
1.01 g / g⊕
Equilibrium Temp
152K (-121°C / -186°F)
Orbital Period
257.8 days
Discovery Year
2017 (Radial Velocity)
Habitability Assessment
❄️ Cryogenic Regime: At 152 K (-121°C / -186°F), surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.
Discovery Facility: La Silla Observatory.
Other Worlds in the GJ 3138 System (2)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS