Planetary system

GJ 3998 system

Exoplanets

System overview

The GJ 3998 system has 3 known planets in this catalogue, orbiting the star GJ 3998, discovered between 2016 and 2025.

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
GJ 3998 bRadial Velocity · 2016	Terrestrial planet	1.39	2.6503	59
GJ 3998 cRadial Velocity · 2016	Mini-Neptune	2.5	13.727	59
GJ 3998 dRadial Velocity · 2025	Super-Earth	2.34	41.78	59