The Kepler-109 system contains 2 exoplanets. It is located 1548.79 light years away from the solar system.
| Mass | 1.04 solar masses |
| Radius | 1.32 solar radiae |
| Temperature | 5952 kelvin |
| Stellar Metallicity | -0.08 decimal exponent |
| Age | 5.73 billion years |
At more than 10 Earth masses, Kepler-109 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 | 7.300 Earth masses |
| Density | NaN grams per cubic centimeter |
| Radius | 2.370 Earth radiae |
| Semi-major Axis | 0.0683 AU |
| Eccentricity | 0.21 |
| Orbital Period | 6.482 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-02 |
| Reference | Marcy et al. 2014 |
At more than 10 Earth masses, Kepler-109 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 | 21.800 Earth masses |
| Density | NaN grams per cubic centimeter |
| Radius | 2.520 Earth radiae |
| Semi-major Axis | 0.1506 AU |
| Eccentricity | 0.03 |
| Orbital Period | 21.223 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-02 |
| Reference | Marcy et al. 2014 |