The BD+45 564 system contains 1 exoplanet. It is located 174.89 light years away from the solar system.
| Mass | 0.81 solar masses |
| Radius | 0.81 solar radiae |
| Temperature | 5004 kelvin |
| Stellar Metallicity | -0.09 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, BD+45 564 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 432.247 Earth masses |
| Density | 0.944 grams per cubic centimeter |
| Radius | 13.600 Earth radiae |
| Semi-major Axis | 0.83 AU |
| Eccentricity | 0.12 |
| Orbital Period | 307.880 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Haute-Provence Observatory |
| Discovery Telescope | 1.93 m Telescope |
| Discovery Instrument | SOPHIE Spectrograph |
| Discovery Date | 2021-07 |
| Reference | Dalal et al. 2021 |