The HD 131664 system contains 1 exoplanet. It is located 172.25 light years away from the solar system.
| Mass | 1.19 solar masses |
| Radius | 1.08 solar radiae |
| Temperature | 5892 kelvin |
| Stellar Metallicity | 0.3 decimal exponent |
| Age | 2.4 billion years |
At more than 50 Earth masses, HD 131664 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 6076.910 Earth masses |
| Density | 18.800 grams per cubic centimeter |
| Radius | 12.100 Earth radiae |
| Semi-major Axis | 3.17 AU |
| Eccentricity | 0.64 |
| Orbital Period | 1951.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2009-03 |
| Reference | Moutou et al. 2009 |