The HD 82943 system contains 2 exoplanets. It is located 89.99 light years away from the solar system.
| Mass | 1.08 solar masses |
| Radius | 1.18 solar radiae |
| Temperature | 5935 kelvin |
| Stellar Metallicity | 0.26 decimal exponent |
| Age | 2.35 billion years |
At more than 50 Earth masses, HD 82943 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 534.250 Earth masses |
| Density | 1.190 grams per cubic centimeter |
| Radius | 13.500 Earth radiae |
| Semi-major Axis | 1.18306 AU |
| Eccentricity | 0.162 |
| Orbital Period | 441.470 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 1.2 m Leonhard Euler Telescope |
| Discovery Instrument | CORALIE Spectrograph |
| Discovery Date | 2004-02 |
| Reference | Mayor et al. 2004 |
At more than 50 Earth masses, HD 82943 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 622.603 Earth masses |
| Density | 1.420 grams per cubic centimeter |
| Radius | 13.400 Earth radiae |
| Semi-major Axis | 0.74345 AU |
| Eccentricity | 0.3663 |
| Orbital Period | 220.078 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 1.2 m Leonhard Euler Telescope |
| Discovery Instrument | CORALIE Spectrograph |
| Discovery Date | 2004-02 |
| Reference | Mayor et al. 2004 |