The Kepler-22 system contains 1 exoplanet. It is located 634.84 light years away from the solar system.
| Mass | 0.97 solar masses |
| Radius | 0.98 solar radiae |
| Temperature | 5518 kelvin |
| Stellar Metallicity | -0.29 decimal exponent |
| Age | 7.08 billion years |
At more than 10 Earth masses, Kepler-22 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 | 36.000 Earth masses |
| Density | 14.700 grams per cubic centimeter |
| Radius | 2.380 Earth radiae |
| Semi-major Axis | 0.849 AU |
| Eccentricity | 0 |
| Orbital Period | 289.862 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2012-02 |
| Reference | Borucki et al. 2012 |