CONFIRMED EXOPLANET
·
Sub-Neptune
GJ 3998 c
Orbits Host Star: GJ 3998
(Type M1)
· Distance: 59.200 Light-Years (18.146 pc)
Planetary Radius
2.500 R⊕
Planetary Mass
6.820 M⊕
Surface Gravity
1.09 g / g⊕
Equilibrium Temp
423K (+150°C / +302°F)
Orbital Period
13.727 days
Discovery Year
2016 (Radial Velocity)
Habitability Assessment
⚠️ Thermal Exclusions: High equilibrium temperature (423 K · +150°C / +302°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