LEDGER: EXOPLANETLEDGER.ORG · WORLD DOSSIER // GJ 357 b
← Return to All Worlds
CONFIRMED EXOPLANET · Terrestrial

GJ 357 b

Orbits Host Star: GJ 357 (Type M2.5 V) · Distance: 30.800 Light-Years (9.442 pc)
Planetary Radius
1.200 R⊕
Planetary Mass
1.830 M⊕
Surface Gravity
1.27 g / g⊕
Equilibrium Temp
518K (245°C)
Orbital Period
3.931 days
Discovery Year
2019 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (518 K) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).

Other Worlds in the GJ 357 System (2)

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
Inspect Raw NASA Archive Record ↗