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Kepler-421 b
Orbiting Kepler-421, discovered in 2014 (7519) by Kepler via the Transit method.
Planet
| Radius | 4.16 R⊕ |
| Mass | Unknown |
| Orbital period | 704.20 Earth days (~1.9 Earth years) |
| Orbital eccentricity | 0.041 |
| Equilibrium temperature | 185 K (-88 °C) |
Host star — Kepler-421
| Temperature | 5308 K (5035 °C) |
| Radius | 0.76 R☉ |
| Mass | 0.79 M☉ |
Location
| Distance from Earth | 348.6 pc (~1137 light-years) |
| Right ascension / Declination | 283.2568 / 45.0877 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.