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GJ 3988 b
Orbiting GJ 3988, discovered in 2023 (7528) by Calar Alto Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 3.69 M⊕ |
| Orbital period | 6.94 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.000 |
| Equilibrium temperature | 348 K (75 °C) |
Host star — GJ 3988
| Temperature | 3273 K (3000 °C) |
| Radius | 0.20 R☉ |
| Mass | 0.18 M☉ |
Location
| Distance from Earth | 9.9 pc (~32 light-years) |
| Right ascension / Declination | 255.8504 / 51.4090 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.