The Kepler-345 system contains 2 exoplanets. It is located 848.01 light years away from the solar system.
| Mass | 0.61 solar masses |
| Radius | 0.62 solar radiae |
| Temperature | 4504 kelvin |
| Stellar Metallicity | 0.191 decimal exponent |
| Age | 2.75 billion years |
At less than 1.5 Earth masses, Kepler-345 b is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 0.500 Earth masses |
| Density | 5.200 grams per cubic centimeter |
| Radius | 0.740 Earth radiae |
| Semi-major Axis | 0.066 AU |
| Eccentricity | 0 |
| Orbital Period | 7.416 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 |
At 2.201 Earth masses, Kepler-345 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 | 2.200 Earth masses |
| Density | 4.800 grams per cubic centimeter |
| Radius | 1.200 Earth radiae |
| Semi-major Axis | 0.077 AU |
| Eccentricity | 0 |
| Orbital Period | 9.387 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 |