The HD 103891 system contains 1 exoplanet. It is located 181.09 light years away from the solar system.
| Mass | 1.28 solar masses |
| Radius | 2.22 solar radiae |
| Temperature | 6072 kelvin |
| Stellar Metallicity | -0.19 decimal exponent |
| Age | 3.68 billion years |
At more than 50 Earth masses, HD 103891 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 457.673 Earth masses |
| Density | 1.000 grams per cubic centimeter |
| Radius | 13.600 Earth radiae |
| Semi-major Axis | 3.27 AU |
| Eccentricity | 0.31 |
| Orbital Period | 1919.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2022-04 |
| Reference | Sreenivas et al. 2022 |