The HD 133131 A system contains 3 exoplanets. It is located 167.88 light years away from the solar system.
| Mass | 0.95 solar masses |
| Radius | 0.96 solar radiae |
| Temperature | 5799 kelvin |
| Stellar Metallicity | -0.306 decimal exponent |
| Age | 9.7 billion years |
At more than 50 Earth masses, HD 133131 A b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 451.319 Earth masses |
| Density | 0.986 grams per cubic centimeter |
| Radius | 13.600 Earth radiae |
| Semi-major Axis | 1.44 AU |
| Eccentricity | 0.33 |
| Orbital Period | 649.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Las Campanas Observatory |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2016-12 |
| Reference | Teske et al. 2016 |
At more than 50 Earth masses, HD 133131 A c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 133.489 Earth masses |
| Density | 0.251 grams per cubic centimeter |
| Radius | 14.300 Earth radiae |
| Semi-major Axis | 4.49 AU |
| Eccentricity | 0.49 |
| Orbital Period | 3568.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Las Campanas Observatory |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2016-12 |
| Reference | Teske et al. 2016 |