The K2-54 system contains 1 exoplanet. It is located 570.63 light years away from the solar system.
| Mass | 0.42 solar masses |
| Radius | 0.38 solar radiae |
| Temperature | 3798 kelvin |
| Stellar Metallicity | - decimal exponent |
| Age | - billion years |
At 1.606 Earth masses, K2-54 b is a so called Super Earth. Super Earths could be terrestrial worlds like Earth, but they could also be ocean worlds or terrestrial worlds wrapped in a substantial atmosphere, in which case some refer to them as Mini Neptunes.
| Mass | 1.600 Earth masses |
| Density | 5.780 grams per cubic centimeter |
| Radius | 1.150 Earth radiae |
| Semi-major Axis | 0.0671 AU |
| Eccentricity | NaN |
| Orbital Period | 9.784 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-09 |
| Reference | Crossfield et al. 2016 |