STATION 02: EXOPLANETLEDGER.ORG · WORLD DOSSIER // TOI-663 b
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CONFIRMED EXOPLANET · Sub-Neptune

TOI-663 b

Orbits Host Star: TOI-663 (Type M1 V) · Distance: 209.500 Light-Years (64.231 pc)
Planetary Radius
2.270 R⊕
Planetary Mass
4.450 M⊕
Surface Gravity
0.86 g / g⊕
Equilibrium Temp
674K (+401°C / +754°F)
Orbital Period
2.599 days
Discovery Year
2024 (Transit)

Habitability Assessment

⚠️ Thermal Exclusions: High equilibrium temperature (674 K · +401°C / +754°F) places this world well interior to the runaway greenhouse threshold.

Discovery Facility: Transiting Exoplanet Survey Satellite (TESS).

Other Worlds in the TOI-663 System (2)

NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS
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