CONFIRMED EXOPLANET
·
Sub-Earth
Barnard d
Orbits Host Star: Barnard's star
(Type M3.5-4 V)
· Distance: 6.000 Light-Years (1.827 pc)
Planetary Radius
0.694 R⊕
Planetary Mass
0.263 M⊕
Surface Gravity
0.55 g / g⊕
Equilibrium Temp
483K (+210°C / +410°F)
Orbital Period
2.34 days
Discovery Year
2025 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (483 K · +210°C / +410°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Gemini Observatory.
Other Worlds in the Barnard's star System (3)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS