The HD 159243 system contains 2 exoplanets. It is located 239.09 light years away from the solar system.
| Mass | 1.12 solar masses |
| Radius | 1.12 solar radiae |
| Temperature | 6123 kelvin |
| Stellar Metallicity | 0.05 decimal exponent |
| Age | 1.25 billion years |
At more than 50 Earth masses, HD 159243 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 359.130 Earth masses |
| Density | 0.767 grams per cubic centimeter |
| Radius | 13.700 Earth radiae |
| Semi-major Axis | 0.11 AU |
| Eccentricity | 0.02 |
| Orbital Period | 12.620 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Haute-Provence Observatory |
| Discovery Telescope | 1.93 m Telescope |
| Discovery Instrument | SOPHIE Spectrograph |
| Discovery Date | 2014-03 |
| Reference | Moutou et al. 2014 |
At more than 50 Earth masses, HD 159243 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 603.900 Earth masses |
| Density | 1.380 grams per cubic centimeter |
| Radius | 13.400 Earth radiae |
| Semi-major Axis | 0.8 AU |
| Eccentricity | 0.075 |
| Orbital Period | 248.400 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Haute-Provence Observatory |
| Discovery Telescope | 1.93 m Telescope |
| Discovery Instrument | SOPHIE Spectrograph |
| Discovery Date | 2014-03 |
| Reference | Moutou et al. 2014 |