Exoplanet
GJ 3998 d
Orbiting GJ 3998
Overview
GJ 3998 d is an exoplanet orbiting the star GJ 3998, discovered in 2025 using the Radial Velocity method.
Key Measurements
Orbital Period
41.8
days
0.1d10,000d
Distance
18.1
parsecs
Nearby10,000 pc
Radius (Earth radii)
Unknown
Mass (Earth masses)
Unknown
Equilibrium Temperature
Unknown
Orbital Period
41.78 days
Distance from Earth
18.1 pc (~59 ly)
Spectral Type
Unknown
Temperature
3726 K
Mass (Solar)
0.52 M☉
Radius (Solar)
0.50 R☉
Luminosity
-1.36 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
259.0021°, 11.0562°
Discovery Method
Radial Velocity
Discovery Year
2025
Data Sources
Source ID: GJ 3998 d