STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // GJ 3138 b
← Return to All Worlds
CONFIRMED EXOPLANET · Terrestrial

GJ 3138 b

Orbits Host Star: GJ 3138 (Type M0) · Distance: 92.900 Light-Years (28.471 pc)
Planetary Radius
1.180 R⊕
Planetary Mass
1.780 M⊕
Surface Gravity
1.28 g / g⊕
Equilibrium Temp
903K (+630°C / +1166°F)
Orbital Period
1.22 days
Discovery Year
2017 (Radial Velocity)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (903 K · +630°C / +1166°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: La Silla Observatory.

Other Worlds in the GJ 3138 System (2)

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
Inspect Raw NASA Archive Record ↗