The K2-31 system contains 1 exoplanet. It is located 360.49 light years away from the solar system.
| Mass | 0.91 solar masses |
| Radius | 0.78 solar radiae |
| Temperature | 5280 kelvin |
| Stellar Metallicity | 0.08 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, K2-31 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 563.830 Earth masses |
| Density | 1.850 grams per cubic centimeter |
| Radius | 11.882 Earth radiae |
| Semi-major Axis | 0.022 AU |
| Eccentricity | 0 |
| Orbital Period | 1.258 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-06 |
| Reference | Dai et al. 2016 |