The K2-238 system contains 1 exoplanet. It is located 1754.60 light years away from the solar system.
| Mass | 1.19 solar masses |
| Radius | 1.59 solar radiae |
| Temperature | 5630 kelvin |
| Stellar Metallicity | 0.34 decimal exponent |
| Age | 5.63 billion years |
At more than 50 Earth masses, K2-238 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 273.334 Earth masses |
| Density | 0.560 grams per cubic centimeter |
| Radius | 14.572 Earth radiae |
| Semi-major Axis | 0.046 AU |
| Eccentricity | 0 |
| Orbital Period | 3.205 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2018-08 |
| Reference | Soto et al. 2018 |