The K2-5 system contains 2 exoplanets. It is located 661.91 light years away from the solar system.
| Mass | 0.61 solar masses |
| Radius | 0.57 solar radiae |
| Temperature | 3930 kelvin |
| Stellar Metallicity | -0.33 decimal exponent |
| Age | - billion years |
With a mass below 5 Earth masses, a density of 3.4, and a semi-major axis of 0.0532 astronomical units, K2-5 b could, potentially, be an ocean world - a planet with no dry land.
| Mass | 4.310 Earth masses |
| Density | 3.400 grams per cubic centimeter |
| Radius | 1.910 Earth radiae |
| Semi-major Axis | 0.0532 AU |
| Eccentricity | NaN |
| Orbital Period | 5.736 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, K2-5 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 | 5.730 Earth masses |
| Density | 2.730 grams per cubic centimeter |
| Radius | 2.260 Earth radiae |
| Semi-major Axis | 0.0818 AU |
| Eccentricity | NaN |
| Orbital Period | 10.932 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 |