← Back to Exoplanet Archive
Kepler-399 c
Orbiting Kepler-399, discovered in 2014 (7519) by Kepler via the Transit method.
Planet
| Radius | 1.43 R⊕ |
| Mass | Unknown |
| Orbital period | 26.68 Earth days (~0.1 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.