CONFIRMED EXOPLANET
·
Sub-Earth
TRAPPIST-1 h
Orbits Host Star: TRAPPIST-1
(Type M8.0 V)
· Distance: 40.500 Light-Years (12.430 pc)
Planetary Radius
0.755 R⊕
Planetary Mass
0.326 M⊕
Surface Gravity
0.57 g / g⊕
Equilibrium Temp
172K (-101°C)
Orbital Period
18.773 days
Discovery Year
2017 (Transit)
Habitability Assessment
❄️ Cryogenic Regime: At 172 K, surface volatiles would be frozen in a permanent snowball state without substantial internal geothermal or tidal heating.
Discovery Facility: Multiple Observatories.
Other Worlds in the TRAPPIST-1 System (6)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS