The K2-38 system contains 2 exoplanets. It is located 628.47 light years away from the solar system.
| Mass | 2.24 solar masses |
| Radius | 1.38 solar radiae |
| Temperature | 5757 kelvin |
| Stellar Metallicity | 0.28 decimal exponent |
| Age | - billion years |
At more than 10 Earth masses, K2-38 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 | 19.070 Earth masses |
| Density | 17.500 grams per cubic centimeter |
| Radius | 1.906 Earth radiae |
| Semi-major Axis | 0.05073 AU |
| Eccentricity | NaN |
| Orbital Period | 4.016 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-08 |
| Reference | Sinukoff et al. 2016 |
At more than 10 Earth masses, K2-38 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 | 9.900 Earth masses |
| Density | 3.600 grams per cubic centimeter |
| Radius | 2.420 Earth radiae |
| Semi-major Axis | 0.0964 AU |
| Eccentricity | NaN |
| Orbital Period | 10.561 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-08 |
| Reference | Sinukoff et al. 2016 |