The Kepler-1421 system contains 1 exoplanet. It is located 2555.11 light years away from the solar system.
| Mass | 1.25 solar masses |
| Radius | 1.42 solar radiae |
| Temperature | 6335 kelvin |
| Stellar Metallicity | 0.05 decimal exponent |
| Age | 2.75 billion years |
At less than 1.5 Earth masses, Kepler-1421 b is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 0.749 Earth masses |
| Density | 5.120 grams per cubic centimeter |
| Radius | 0.930 Earth radiae |
| Semi-major Axis | 0.0762 AU |
| Eccentricity | 0 |
| Orbital Period | 6.913 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-05 |
| Reference | Morton et al. 2016 |