The Kepler-12 system contains 1 exoplanet. It is located 2874.69 light years away from the solar system.
| Mass | 1.17 solar masses |
| Radius | 1.48 solar radiae |
| Temperature | 5947 kelvin |
| Stellar Metallicity | 0.07 decimal exponent |
| Age | 4 billion years |
At more than 50 Earth masses, Kepler-12 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 137.303 Earth masses |
| Density | 0.110 grams per cubic centimeter |
| Radius | 19.661 Earth radiae |
| Semi-major Axis | 0.0553 AU |
| Eccentricity | 0 |
| Orbital Period | 4.438 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2011-11 |
| Reference | Fortney et al. 2011 |