The HD 20868 system contains 1 exoplanet. It is located 155.65 light years away from the solar system.
| Mass | 0.39 solar masses |
| Radius | 0.76 solar radiae |
| Temperature | 4802 kelvin |
| Stellar Metallicity | 0.05 decimal exponent |
| Age | 4.5 billion years |
At more than 50 Earth masses, HD 20868 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 397.288 Earth masses |
| Density | 0.849 grams per cubic centimeter |
| Radius | 13.700 Earth radiae |
| Semi-major Axis | 0.95 AU |
| Eccentricity | 0.75 |
| Orbital Period | 380.850 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 |