Host Star
- Spectral Type
- M1
- Temperature (K)
- 3722.0
- Mass (Solar masses)
- 0.5
- Radius (Solar radii)
- 0.49
| Planet Name | Host Star | Discovery Method | Discovery Year | Orbital Period (days) | Radius (Earth radii) | Mass (Earth masses) | Equilibrium Temp (K) | Host Star Temp (K) | Distance (parsecs) |
|---|---|---|---|---|---|---|---|---|---|
| GJ 3998 b | GJ 3998 | Radial Velocity | 2016 | 2.65033 | 1.39 | 2.5 | 733.5 | 3726.0 | 18.1459 |
| GJ 3998 d | GJ 3998 | Radial Velocity | 2025 | 41.78 | 2.34 | 6.07 | 292.23 | 3726.0 | 18.1459 |
| GJ 3998 c | GJ 3998 | Radial Velocity | 2016 | 13.727 | 2.5 | 6.82 | 423.49 | 3726.0 | 18.1459 |