The K2-8 system contains 2 exoplanets. It is located 1316.08 light years away from the solar system.
| Mass | 0.78 solar masses |
| Radius | 0.74 solar radiae |
| Temperature | 4870 kelvin |
| Stellar Metallicity | -0.02 decimal exponent |
| Age | - billion years |
At more than 10 Earth masses, K2-8 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 | 12.500 Earth masses |
| Density | 1.500 grams per cubic centimeter |
| Radius | 3.580 Earth radiae |
| Semi-major Axis | 0.0856 AU |
| Eccentricity | NaN |
| Orbital Period | 10.352 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2015-08 |
| Reference | Montet et al. 2015 |
At more than 10 Earth masses, K2-8 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 | 6.390 Earth masses |
| Density | 2.510 grams per cubic centimeter |
| Radius | 2.410 Earth radiae |
| Semi-major Axis | 0.0532 AU |
| Eccentricity | NaN |
| Orbital Period | 5.064 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-08 |
| Reference | Sinukoff et al. 2016 |