The K2-111 system contains 2 exoplanets. It is located 653.60 light years away from the solar system.
| Mass | 0.84 solar masses |
| Radius | 1.25 solar radiae |
| Temperature | 5775 kelvin |
| Stellar Metallicity | -0.46 decimal exponent |
| Age | 12.3 billion years |
At more than 10 Earth masses, K2-111 b is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 5.290 Earth masses |
| Density | 4.800 grams per cubic centimeter |
| Radius | 1.820 Earth radiae |
| Semi-major Axis | 0.057 AU |
| Eccentricity | 0.13 |
| Orbital Period | 5.352 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2017-07 |
| Reference | Fridlund et al. 2017 |
At more than 10 Earth masses, K2-111 c is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 11.300 Earth masses |
| Density | 1.620 grams per cubic centimeter |
| Radius | 3.370 Earth radiae |
| Semi-major Axis | 0.1166 AU |
| Eccentricity | 0.07 |
| Orbital Period | 15.678 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2020-10 |
| Reference | Mortier et al. 2020 |