The Kepler-466 system contains 2 exoplanets. It is located 1729.02 light years away from the solar system.
| Mass | 1.04 solar masses |
| Radius | 1.05 solar radiae |
| Temperature | 5927 kelvin |
| Stellar Metallicity | -0.01 decimal exponent |
| Age | 3.47 billion years |
At more than 10 Earth masses, Kepler-466 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 | 8.500 Earth masses |
| Density | 2.020 grams per cubic centimeter |
| Radius | 2.850 Earth radiae |
| Semi-major Axis | 0.2671 AU |
| Eccentricity | 0 |
| Orbital Period | 51.079 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-05 |
| Reference | Morton et al. 2016 |
At 2.099 Earth masses, Kepler-466 c is a so called Super Earth. Super Earths could be terrestrial worlds like Earth, but they could also be ocean worlds or terrestrial worlds wrapped in a substantial atmosphere, in which case some refer to them as Mini Neptunes.
| Mass | 2.100 Earth masses |
| Density | 5.910 grams per cubic centimeter |
| Radius | 1.250 Earth radiae |
| Semi-major Axis | 0.0465 AU |
| Eccentricity | 0 |
| Orbital Period | 3.709 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-05 |
| Reference | Morton et al. 2016 |