The K2-266 system contains 4 exoplanets. It is located 252.96 light years away from the solar system.
| Mass | 0.69 solar masses |
| Radius | 0.7 solar radiae |
| Temperature | 4285 kelvin |
| Stellar Metallicity | -0.12 decimal exponent |
| Age | - billion years |
At more than 10 Earth masses, K2-266 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 | 11.268 Earth masses |
| Density | 1.720 grams per cubic centimeter |
| Radius | 3.300 Earth radiae |
| Semi-major Axis | 0.01306 AU |
| Eccentricity | NaN |
| Orbital Period | 0.659 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2018-11 |
| Reference | Rodriguez et al. 2018 |
At less than 1.5 Earth masses, K2-266 c is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 0.290 Earth masses |
| Density | 4.550 grams per cubic centimeter |
| Radius | 0.705 Earth radiae |
| Semi-major Axis | 0.0679 AU |
| Eccentricity | 0.042 |
| Orbital Period | 7.814 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2018-11 |
| Reference | Rodriguez et al. 2018 |
At more than 10 Earth masses, K2-266 d 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 | 8.900 Earth masses |
| Density | 2.030 grams per cubic centimeter |
| Radius | 2.930 Earth radiae |
| Semi-major Axis | 0.1035 AU |
| Eccentricity | 0.047 |
| Orbital Period | 14.697 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2018-11 |
| Reference | Rodriguez et al. 2018 |
At more than 10 Earth masses, K2-266 e 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 | 14.300 Earth masses |
| Density | 2.210 grams per cubic centimeter |
| Radius | 2.730 Earth radiae |
| Semi-major Axis | 0.1249 AU |
| Eccentricity | 0.043 |
| Orbital Period | 19.482 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2018-11 |
| Reference | Rodriguez et al. 2018 |