The Kepler-561 system contains 2 exoplanets. It is located 2026.66 light years away from the solar system.
| Mass | 0.96 solar masses |
| Radius | 0.94 solar radiae |
| Temperature | 5646 kelvin |
| Stellar Metallicity | 0.02 decimal exponent |
| Age | 4.27 billion years |
At more than 10 Earth masses, Kepler-561 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 | 38.700 Earth masses |
| Density | 0.631 grams per cubic centimeter |
| Radius | 6.960 Earth radiae |
| Semi-major Axis | 0.2918 AU |
| Eccentricity | 0 |
| Orbital Period | 58.362 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 more than 10 Earth masses, Kepler-561 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 | 7.650 Earth masses |
| Density | 2.180 grams per cubic centimeter |
| Radius | 2.680 Earth radiae |
| Semi-major Axis | 0.0593 AU |
| Eccentricity | 0 |
| Orbital Period | 5.350 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 |