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Kepler-399 b
Orbiting Kepler-399, discovered in 2014 (7519) by Kepler via the Transit method.
Planet
| Radius | 0.96 R⊕ |
| Mass | Unknown |
| Orbital period | 14.43 Earth days (~0.0 Earth years) |
| Orbital eccentricity | Unknown |
| Equilibrium temperature | Unknown |
Host star — Kepler-399
| Temperature | 5502 K (5229 °C) |
| Radius | 0.68 R☉ |
| Mass | Unknown |
Location
| Distance from Earth | 740.5 pc (~2415 light-years) |
| Right ascension / Declination | 299.5017 / 40.6708 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.