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Kepler-391 c
Orbiting Kepler-391, discovered in 2014 (7519) by Kepler via the Transit method.
Planet
| Radius | 2.88 R⊕ |
| Mass | 450.00 M⊕ |
| Orbital period | 20.50 Earth days (~0.1 Earth years) |
| Orbital eccentricity | 0.270 |
| Equilibrium temperature | 662 K (389 °C) |
Host star — Kepler-391
| Temperature | 5038 K (4765 °C) |
| Radius | 2.88 R☉ |
| Mass | 1.27 M☉ |
Location
| Distance from Earth | 869.2 pc (~2835 light-years) |
| Right ascension / Declination | 290.6219 / 51.0573 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.