The BD+20 594 system contains 1 exoplanet. It is located 585.32 light years away from the solar system.
| Mass | 1.67 solar masses |
| Radius | 1.08 solar radiae |
| Temperature | 5766 kelvin |
| Stellar Metallicity | -0.15 decimal exponent |
| Age | 3.34 billion years |
At more than 10 Earth masses, BD+20 594 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 | 22.248 Earth masses |
| Density | 7.890 grams per cubic centimeter |
| Radius | 2.578 Earth radiae |
| Semi-major Axis | 0.241 AU |
| Eccentricity | 0 |
| Orbital Period | 41.685 days |
| Discovery Method | Transit |
| Discovery Facility | K2 |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-10 |
| Reference | Espinoza et al. 2016 |