The Kepler-231 system contains 2 exoplanets. It is located 1032.67 light years away from the solar system.
| Mass | 0.58 solar masses |
| Radius | 0.49 solar radiae |
| Temperature | 3767 kelvin |
| Stellar Metallicity | -0.1 decimal exponent |
| Age | 3.47 billion years |
At more than 10 Earth masses, Kepler-231 b is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 35.400 Earth masses |
| Density | 37.600 grams per cubic centimeter |
| Radius | 1.730 Earth radiae |
| Semi-major Axis | 0.074 AU |
| Eccentricity | 0 |
| Orbital Period | 10.065 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 more than 10 Earth masses, Kepler-231 c is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 24.100 Earth masses |
| Density | 18.400 grams per cubic centimeter |
| Radius | 1.930 Earth radiae |
| Semi-major Axis | 0.114 AU |
| Eccentricity | 0 |
| Orbital Period | 19.272 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 |