The K2-239 system contains 3 exoplanets. It is located 101.39 light years away from the solar system.
| Mass | 0.4 solar masses |
| Radius | 0.36 solar radiae |
| Temperature | 3420 kelvin |
| Stellar Metallicity | -0.1 decimal exponent |
| Age | - billion years |
At less than 1.5 Earth masses, K2-239 b is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 1.370 Earth masses |
| Density | 5.660 grams per cubic centimeter |
| Radius | 1.100 Earth radiae |
| Semi-major Axis | 0.0441 AU |
| Eccentricity | NaN |
| Orbital Period | 5.240 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2018-10 |
| Reference | Díez Alonso et al. 2018 |
At less than 1.5 Earth masses, K2-239 c is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 0.972 Earth masses |
| Density | 5.340 grams per cubic centimeter |
| Radius | 1.000 Earth radiae |
| Semi-major Axis | 0.0576 AU |
| Eccentricity | NaN |
| Orbital Period | 7.775 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2018-10 |
| Reference | Díez Alonso et al. 2018 |
At less than 1.5 Earth masses, K2-239 d is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 1.370 Earth masses |
| Density | 5.660 grams per cubic centimeter |
| Radius | 1.100 Earth radiae |
| Semi-major Axis | 0.0685 AU |
| Eccentricity | NaN |
| Orbital Period | 10.115 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2018-10 |
| Reference | Díez Alonso et al. 2018 |