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GJ 338 B b
Orbiting GJ 338 B, discovered in 2020 (7525) by Calar Alto Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 10.60 M⊕ |
| Orbital period | 24.42 Earth days (~0.1 Earth years) |
| Orbital eccentricity | 0.109 |
| Equilibrium temperature | Unknown |
Host star — GJ 338 B
| Temperature | 4014 K (3741 °C) |
| Radius | 0.58 R☉ |
| Mass | 0.64 M☉ |
Location
| Distance from Earth | 6.3 pc (~21 light-years) |
| Right ascension / Declination | 138.5917 / 52.6835 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.