The Kepler-105 system contains 2 exoplanets. It is located 1497.78 light years away from the solar system.
| Mass | 1.28 solar masses |
| Radius | 1.58 solar radiae |
| Temperature | 6397 kelvin |
| Stellar Metallicity | -0.22 decimal exponent |
| Age | 3.17 billion years |
At more than 10 Earth masses, Kepler-105 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 | 5.100 Earth masses |
| Density | 0.252 grams per cubic centimeter |
| Radius | 4.810 Earth radiae |
| Semi-major Axis | 0.066 AU |
| Eccentricity | 0.47 |
| Orbital Period | 5.412 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-03 |
| Reference | Wang et al. 2014 |
At 4.601 Earth masses, Kepler-105 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 | 4.600 Earth masses |
| Density | 11.200 grams per cubic centimeter |
| Radius | 1.310 Earth radiae |
| Semi-major Axis | 0.0711 AU |
| Eccentricity | 0 |
| Orbital Period | 7.126 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-03 |
| Reference | Rowe et al. 2014 |