The HD 27631 system contains 1 exoplanet. It is located 164.01 light years away from the solar system.
| Mass | 0.94 solar masses |
| Radius | 0.92 solar radiae |
| Temperature | 5737 kelvin |
| Stellar Metallicity | -0.12 decimal exponent |
| Age | 4.01 billion years |
At more than 50 Earth masses, HD 27631 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 474.838 Earth masses |
| Density | 1.040 grams per cubic centimeter |
| Radius | 13.600 Earth radiae |
| Semi-major Axis | 3.242 AU |
| Eccentricity | 0.141 |
| Orbital Period | 2198.140 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 1.2 m Leonhard Euler Telescope |
| Discovery Instrument | CORALIE Spectrograph |
| Discovery Date | 2013-03 |
| Reference | Marmier et al. 2013 |