The K2-101 system contains 1 exoplanet. It is located 614.25 light years away from the solar system.
| Mass | 0.82 solar masses |
| Radius | 0.76 solar radiae |
| Temperature | 4927 kelvin |
| Stellar Metallicity | 0.07 decimal exponent |
| Age | 0.79 billion years |
With a mass below 5 Earth masses, a density of 3.2, and a semi-major axis of 0.1124 astronomical units, K2-101 b could, potentially, be an ocean world - a planet with no dry land.
| Mass | 4.660 Earth masses |
| Density | 3.200 grams per cubic centimeter |
| Radius | 2.000 Earth radiae |
| Semi-major Axis | 0.1124 AU |
| Eccentricity | 0.1 |
| Orbital Period | 14.676 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2017-02 |
| Reference | Mann et al. 2017 |