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GJ 3942 b
Orbiting GJ 3942, discovered in 2017 (7522) by Roque de los Muchachos Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 7.14 M⊕ |
| Orbital period | 6.91 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.121 |
| Equilibrium temperature | 590 K (317 °C) |
Host star — GJ 3942
| Temperature | 3867 K (3594 °C) |
| Radius | 0.61 R☉ |
| Mass | 0.63 M☉ |
Location
| Distance from Earth | 16.9 pc (~55 light-years) |
| Right ascension / Declination | 242.2645 / 52.9441 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.