PLANETARY SYSTEM
GJ 3998
3 confirmed planets in our catalogue, 59.2 light-years from Earth.
Ordered by orbital period where known. Diagram is illustrative; distances and planet sizes are not to scale.
| World / host star | Type | Distance | Year length | Discovery |
|---|---|---|---|---|
| GJ 3998 b ↗GJ 3998 | Super-Earth | 59.2 ly | 2.65 days | 2016Radial Velocity |
| GJ 3998 c ↗GJ 3998 | Neptune-like | 59.2 ly | 13.727 days | 2016Radial Velocity |
| GJ 3998 d ↗GJ 3998 | Neptune-like | 59.2 ly | 41.78 days | 2025Radial Velocity |