The Kepler-589 system contains 2 exoplanets. It is located 1998.69 light years away from the solar system.
| Mass | 0.88 solar masses |
| Radius | 0.83 solar radiae |
| Temperature | 5296 kelvin |
| Stellar Metallicity | 0.01 decimal exponent |
| Age | 4.47 billion years |
At more than 10 Earth masses, Kepler-589 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 | 5.770 Earth masses |
| Density | 2.710 grams per cubic centimeter |
| Radius | 2.270 Earth radiae |
| Semi-major Axis | 0.1196 AU |
| Eccentricity | 0 |
| Orbital Period | 16.550 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-05 |
| Reference | Morton et al. 2016 |
At less than 1.5 Earth masses, Kepler-589 c is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 1.450 Earth masses |
| Density | 5.710 grams per cubic centimeter |
| Radius | 1.117 Earth radiae |
| Semi-major Axis | 0.0426 AU |
| Eccentricity | 0 |
| Orbital Period | 3.525 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2022-02 |
| Reference | Valizadegan et al. 2022 |