STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // GJ 143 b
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CONFIRMED EXOPLANET · Sub-Neptune

GJ 143 b

Orbits Host Star: GJ 143 (Type K4.5) · Distance: 53.200 Light-Years (16.320 pc)
Planetary Radius
2.610 R⊕
Planetary Mass
22.700 M⊕
Surface Gravity
3.33 g / g⊕
Equilibrium Temp
422K (+149°C / +300°F)
Orbital Period
35.613 days
Discovery Year
2019 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (422 K · +149°C / +300°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).

Other Worlds in the GJ 143 System (1)

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
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