CONFIRMED EXOPLANET
·
Super-Earth
GJ 3998 b
Orbits Host Star: GJ 3998
(Type M1)
· Distance: 59.200 Light-Years (18.146 pc)
Planetary Radius
1.390 R⊕
Planetary Mass
2.500 M⊕
Surface Gravity
1.29 g / g⊕
Equilibrium Temp
734K (+461°C / +862°F)
Orbital Period
2.65 days
Discovery Year
2016 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (734 K · +461°C / +862°F) places this world well interior to the runaway greenhouse threshold.
Discovery Facility: Roque de los Muchachos Observatory.
Other Worlds in the GJ 3998 System (2)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS