The KOI-12 system contains 2 exoplanets. It is located 1302.66 light years away from the solar system.
| Mass | 1.5 solar masses |
| Radius | 1.4 solar radiae |
| Temperature | 6635 kelvin |
| Stellar Metallicity | 0.081 decimal exponent |
| Age | 1.45 billion years |
At more than 50 Earth masses, KOI-12 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 349.613 Earth masses |
| Density | 0.733 grams per cubic centimeter |
| Radius | 13.787 Earth radiae |
| Semi-major Axis | 0.154 AU |
| Eccentricity | 0.34 |
| Orbital Period | 17.855 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2015-07 |
| Reference | Bourrier et al. 2015 |
At more than 50 Earth masses, KOI-12 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 6992.260 Earth masses |
| Density | 22.200 grams per cubic centimeter |
| Radius | 12.000 Earth radiae |
| Semi-major Axis | 4.2 AU |
| Eccentricity | 0.65 |
| Orbital Period | 2500.000 days |
| Discovery Method | Transit Timing Variations |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2017-08 |
| Reference | Masuda 2017 |