The Kepler-178 system contains 3 exoplanets. It is located 2335.36 light years away from the solar system.
| Mass | 0.94 solar masses |
| Radius | 1.07 solar radiae |
| Temperature | 5676 kelvin |
| Stellar Metallicity | 0.18 decimal exponent |
| Age | 11.3 billion years |
At more than 10 Earth masses, Kepler-178 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 | 8.750 Earth masses |
| Density | 1.970 grams per cubic centimeter |
| Radius | 2.900 Earth radiae |
| Semi-major Axis | 0.085 AU |
| Eccentricity | 0 |
| Orbital Period | 9.577 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 more than 10 Earth masses, Kepler-178 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 | 8.650 Earth masses |
| Density | 1.990 grams per cubic centimeter |
| Radius | 2.880 Earth radiae |
| Semi-major Axis | 0.142 AU |
| Eccentricity | 0 |
| Orbital Period | 20.553 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 more than 10 Earth masses, Kepler-178 d 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 | 14.800 Earth masses |
| Density | 1.320 grams per cubic centimeter |
| Radius | 3.950 Earth radiae |
| Semi-major Axis | 0.397 AU |
| Eccentricity | 0 |
| Orbital Period | 96.679 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 |