The Kepler-338 system contains 4 exoplanets. It is located 1802.98 light years away from the solar system.
| Mass | 1.2 solar masses |
| Radius | 1.74 solar radiae |
| Temperature | 5923 kelvin |
| Stellar Metallicity | -0.029 decimal exponent |
| Age | 4.79 billion years |
At more than 10 Earth masses, Kepler-338 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 | 30.600 Earth masses |
| Density | 11.600 grams per cubic centimeter |
| Radius | 2.440 Earth radiae |
| Semi-major Axis | 0.117 AU |
| Eccentricity | 0.04 |
| Orbital Period | 13.727 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-338 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 | 6.080 Earth masses |
| Density | 2.610 grams per cubic centimeter |
| Radius | 2.340 Earth radiae |
| Semi-major Axis | 0.172 AU |
| Eccentricity | 0.03 |
| Orbital Period | 24.311 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-338 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 | 9.270 Earth masses |
| Density | 1.890 grams per cubic centimeter |
| Radius | 3.000 Earth radiae |
| Semi-major Axis | 0.257 AU |
| Eccentricity | 0.03 |
| Orbital Period | 44.431 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-338 e 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 | 8.500 Earth masses |
| Density | 12.300 grams per cubic centimeter |
| Radius | 1.560 Earth radiae |
| Semi-major Axis | 0.0893 AU |
| Eccentricity | 0.05 |
| Orbital Period | 9.341 days |
| Discovery Method | Transit Timing Variations |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-05 |
| Reference | Hadden et al. 2014 |