The HD 43691 system contains 1 exoplanet. It is located 279.19 light years away from the solar system.
| Mass | 1.32 solar masses |
| Radius | 1.6 solar radiae |
| Temperature | 6093 kelvin |
| Stellar Metallicity | 0.33 decimal exponent |
| Age | 2.39 billion years |
At more than 50 Earth masses, HD 43691 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 810.466 Earth masses |
| Density | 1.940 grams per cubic centimeter |
| Radius | 13.200 Earth radiae |
| Semi-major Axis | 0.238 AU |
| Eccentricity | 0.0796 |
| Orbital Period | 36.999 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Haute-Provence Observatory |
| Discovery Telescope | 1.93 m Telescope |
| Discovery Instrument | ELODIE Spectrograph |
| Discovery Date | 2007-10 |
| Reference | da Silva et al. 2007 |