The Kepler-122 system contains 5 exoplanets. It is located 3351.09 light years away from the solar system.
| Mass | 1.08 solar masses |
| Radius | 1.22 solar radiae |
| Temperature | 6050 kelvin |
| Stellar Metallicity | -0.06 decimal exponent |
| Age | 3.89 billion years |
At more than 10 Earth masses, Kepler-122 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 | 6.080 Earth masses |
| Density | 2.610 grams per cubic centimeter |
| Radius | 2.340 Earth radiae |
| Semi-major Axis | 0.064 AU |
| Eccentricity | 0 |
| Orbital Period | 5.766 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-122 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 | 29.000 Earth masses |
| Density | 0.788 grams per cubic centimeter |
| Radius | 5.870 Earth radiae |
| Semi-major Axis | 0.108 AU |
| Eccentricity | 0 |
| Orbital Period | 12.466 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-122 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 | 5.480 Earth masses |
| Density | 2.830 grams per cubic centimeter |
| Radius | 2.200 Earth radiae |
| Semi-major Axis | 0.155 AU |
| Eccentricity | 0 |
| Orbital Period | 21.587 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-122 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 | 27.700 Earth masses |
| Density | 8.660 grams per cubic centimeter |
| Radius | 2.600 Earth radiae |
| Semi-major Axis | 0.227 AU |
| Eccentricity | 0 |
| Orbital Period | 37.993 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-122 f 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 | 36.000 Earth masses |
| Density | 36.900 grams per cubic centimeter |
| Radius | 1.750 Earth radiae |
| Semi-major Axis | 0.287 AU |
| Eccentricity | 0 |
| Orbital Period | 56.268 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 |