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GJ 3138 b
Orbiting GJ 3138, discovered in 2017 (7522) by La Silla Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 1.78 M⊕ |
| Orbital period | 1.22 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.190 |
| Equilibrium temperature | Unknown |
Host star — GJ 3138
| Temperature | 3717 K (3444 °C) |
| Radius | 0.50 R☉ |
| Mass | 0.68 M☉ |
Location
| Distance from Earth | 28.5 pc (~93 light-years) |
| Right ascension / Declination | 32.2977 / -16.3392 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.