The Kepler-1157 system contains 1 exoplanet. It is located 1115.92 light years away from the solar system.
| Mass | 0.76 solar masses |
| Radius | 0.71 solar radiae |
| Temperature | 4679 kelvin |
| Stellar Metallicity | 0.05 decimal exponent |
| Age | 3.39 billion years |
At less than 1.5 Earth masses, Kepler-1157 b is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 1.320 Earth masses |
| Density | 5.600 grams per cubic centimeter |
| Radius | 1.090 Earth radiae |
| Semi-major Axis | 0.0448 AU |
| Eccentricity | 0 |
| Orbital Period | 4.457 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 |