The Kepler-266 system contains 2 exoplanets. It is located 4470.91 light years away from the solar system.
| Mass | 0.95 solar masses | 
| Radius | 1.03 solar radiae | 
| Temperature | 5885 kelvin | 
| Stellar Metallicity | 0.16 decimal exponent | 
| Age | 4.79 billion years | 
At more than 10 Earth masses, Kepler-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 | 6.710 Earth masses | 
| Density | 2.420 grams per cubic centimeter | 
| Radius | 2.480 Earth radiae | 
| Semi-major Axis | 0.071 AU | 
| Eccentricity | 0 | 
| Orbital Period | 6.618 days | 
| Discovery Method | Transit | 
| Discovery Facility | Kepler | 
| Discovery Telescope | 0.95 m Kepler Telescope | 
| Discovery Instrument | Kepler CCD Array | 
| Discovery Date | 2014-03 | 
| Reference | Rowe et al. 2014 | 
At more than 10 Earth masses, Kepler-266 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 | 14.400 Earth masses | 
| Density | 1.340 grams per cubic centimeter | 
| Radius | 3.890 Earth radiae | 
| Semi-major Axis | 0.457 AU | 
| Eccentricity | 0 | 
| Orbital Period | 107.724 days | 
| Discovery Method | Transit | 
| Discovery Facility | Kepler | 
| Discovery Telescope | 0.95 m Kepler Telescope | 
| Discovery Instrument | Kepler CCD Array | 
| Discovery Date | 2014-03 | 
| Reference | Rowe et al. 2014 |