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CONFIRMED EXOPLANET · Sub-Neptune

TOI-421 b

Orbits Host Star: TOI-421 (Type G9 V) · Distance: 244.000 Light-Years (74.797 pc)
Planetary Radius
2.640 R⊕
Planetary Mass
6.700 M⊕
Surface Gravity
0.96 g / g⊕
Equilibrium Temp
922K (649°C)
Orbital Period
5.198 days
Discovery Year
2020 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (922 K) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).

Other Worlds in the TOI-421 System (1)

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
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