The Kepler-428 system contains 1 exoplanet. It is located 2238.36 light years away from the solar system.
| Mass | 0.87 solar masses |
| Radius | 0.8 solar radiae |
| Temperature | 5150 kelvin |
| Stellar Metallicity | 0.09 decimal exponent |
| Age | 5 billion years |
At more than 50 Earth masses, Kepler-428 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 403.630 Earth masses |
| Density | 1.020 grams per cubic centimeter |
| Radius | 12.110 Earth radiae |
| Semi-major Axis | 0.0433 AU |
| Eccentricity | 0.22 |
| Orbital Period | 3.526 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-12 |
| Reference | Hébrard et al. 2014 |