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HD 191939 c
Orbiting HD 191939, discovered in 2020 (7525) by Transiting Exoplanet Survey Satellite (TESS) via the Transit method.
Planet
| Radius | 3.19 R⊕ |
| Mass | 8.00 M⊕ |
| Orbital period | 28.58 Earth days (~0.1 Earth years) |
| Orbital eccentricity | 0.034 |
| Equilibrium temperature | 600 K (327 °C) |
Host star — HD 191939
| Temperature | 5348 K (5075 °C) |
| Radius | 0.94 R☉ |
| Mass | 0.81 M☉ |
Location
| Distance from Earth | 53.6 pc (~175 light-years) |
| Right ascension / Declination | 302.0256 / 66.8503 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.