The K2-104 system contains 1 exoplanet. It is located 617.38 light years away from the solar system.
| Mass | 0.51 solar masses |
| Radius | 0.48 solar radiae |
| Temperature | 3712 kelvin |
| Stellar Metallicity | 0.18 decimal exponent |
| Age | 0.79 billion years |
At 3.848 Earth masses, K2-104 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 | 3.860 Earth masses |
| Density | 3.700 grams per cubic centimeter |
| Radius | 1.790 Earth radiae |
| Semi-major Axis | 0.0242 AU |
| Eccentricity | 0.09 |
| Orbital Period | 1.974 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 |