CONFIRMED EXOPLANET
·
Sub-Neptune
GJ 3998 d
Orbits Host Star: GJ 3998
(Type M1)
· Distance: 59.200 Light-Years (18.146 pc)
Planetary Radius
2.340 R⊕
Planetary Mass
6.070 M⊕
Surface Gravity
1.11 g / g⊕
Equilibrium Temp
292K (+19°C / +66°F)
Orbital Period
41.78 days
Discovery Year
2025 (Radial Velocity)
Habitability Assessment
☁️ Gaseous Envelope: With a radius exceeding 2.2 Earth radii, this world is modeled as a volatile-rich sub-Neptune or Jovian gas giant without a defined solid surface boundary.
Discovery Facility: Multiple Observatories.
Other Worlds in the GJ 3998 System (2)
NASA EXOPLANET ARCHIVE COMPOSITE PARAMETERS