The Kepler-388 system contains 2 exoplanets. It is located 1386.16 light years away from the solar system.
| Mass | 0.64 solar masses |
| Radius | 0.59 solar radiae |
| Temperature | 4498 kelvin |
| Stellar Metallicity | 0 decimal exponent |
| Age | 13.9 billion years |
At less than 1.5 Earth masses, Kepler-388 b is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 0.457 Earth masses |
| Density | 4.730 grams per cubic centimeter |
| Radius | 0.810 Earth radiae |
| Semi-major Axis | 0.036 AU |
| Eccentricity | 0 |
| Orbital Period | 3.173 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-03 |
| Reference | Rowe et al. 2014 |
At less than 1.5 Earth masses, Kepler-388 c is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 0.566 Earth masses |
| Density | 4.890 grams per cubic centimeter |
| Radius | 0.860 Earth radiae |
| Semi-major Axis | 0.093 AU |
| Eccentricity | 0 |
| Orbital Period | 13.297 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-03 |
| Reference | Rowe et al. 2014 |