The HD 204941 system contains 1 exoplanet. It is located 93.66 light years away from the solar system.
| Mass | 0.58 solar masses |
| Radius | 0.78 solar radiae |
| Temperature | 5026 kelvin |
| Stellar Metallicity | -0.19 decimal exponent |
| Age | 6.67 billion years |
At more than 50 Earth masses, HD 204941 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 73.101 Earth masses |
| Density | 0.390 grams per cubic centimeter |
| Radius | 10.100 Earth radiae |
| Semi-major Axis | 2.55 AU |
| Eccentricity | 0.37 |
| Orbital Period | 1733.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2011-11 |
| Reference | Dumusque et al. 2011 |