CONFIRMED EXOPLANET
·
Terrestrial
★ TEMPERATE HABITABLE ZONE
TRAPPIST-1 g
Orbits Host Star: TRAPPIST-1
(Type M8.0 V)
· Distance: 40.500 Light-Years (12.430 pc)
Planetary Radius
1.129 R⊕
Planetary Mass
1.321 M⊕
Surface Gravity
1.04 g / g⊕
Equilibrium Temp
197K (-76°C)
Orbital Period
12.352 days
Discovery Year
2017 (Transit)
Habitability Assessment
✓ Classified as a Temperate Habitable Zone Candidate.
With an estimated equilibrium temperature of 197 K (-76°C) and a radius of 1.129 R⊕, TRAPPIST-1 g falls within the conservative empirical boundary where a solid rocky surface could sustain liquid surface water under suitable atmospheric greenhouse conditions.
Discovery Facility: Multiple Observatories.
Other Worlds in the TRAPPIST-1 System (6)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS