The K2-154 system contains 2 exoplanets. It is located 421.90 light years away from the solar system.
| Mass | 0.65 solar masses |
| Radius | 0.63 solar radiae |
| Temperature | 4097 kelvin |
| Stellar Metallicity | 0.21 decimal exponent |
| Age | - billion years |
With a mass below 5 Earth masses, a density of 3.22, and a semi-major axis of 0.0405 astronomical units, K2-154 b could, potentially, be an ocean world - a planet with no dry land.
| Mass | 4.620 Earth masses |
| Density | 3.220 grams per cubic centimeter |
| Radius | 1.990 Earth radiae |
| Semi-major Axis | 0.0405 AU |
| Eccentricity | NaN |
| Orbital Period | 3.676 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2018-03 |
| Reference | Hirano et al. 2018 |
With a mass below 5 Earth masses, a density of 3.06, and a semi-major axis of 0.0677 astronomical units, K2-154 c could, potentially, be an ocean world - a planet with no dry land.
| Mass | 4.940 Earth masses |
| Density | 3.060 grams per cubic centimeter |
| Radius | 2.070 Earth radiae |
| Semi-major Axis | 0.0677 AU |
| Eccentricity | NaN |
| Orbital Period | 7.955 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2018-03 |
| Reference | Hirano et al. 2018 |