The Kepler-378 system contains 2 exoplanets. It is located 496.06 light years away from the solar system.
| Mass | 0.78 solar masses |
| Radius | 0.67 solar radiae |
| Temperature | 4661 kelvin |
| Stellar Metallicity | 0.137 decimal exponent |
| Age | 3.24 billion years |
At less than 1.5 Earth masses, Kepler-378 b is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 0.347 Earth masses |
| Density | 4.520 grams per cubic centimeter |
| Radius | 0.750 Earth radiae |
| Semi-major Axis | 0.112 AU |
| Eccentricity | 0 |
| Orbital Period | 16.092 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 less than 1.5 Earth masses, Kepler-378 c is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 0.271 Earth masses |
| Density | 4.340 grams per cubic centimeter |
| Radius | 0.700 Earth radiae |
| Semi-major Axis | 0.166 AU |
| Eccentricity | 0 |
| Orbital Period | 28.906 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 |