The HD 195019 system contains 1 exoplanet. It is located 122.86 light years away from the solar system.
| Mass | 1.21 solar masses |
| Radius | 1.48 solar radiae |
| Temperature | 5751 kelvin |
| Stellar Metallicity | 0.05 decimal exponent |
| Age | 3.2 billion years |
At more than 50 Earth masses, HD 195019 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1264.963 Earth masses |
| Density | 3.160 grams per cubic centimeter |
| Radius | 13.000 Earth radiae |
| Semi-major Axis | 0.14 AU |
| Eccentricity | 0.01 |
| Orbital Period | 18.201 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Lick Observatory |
| Discovery Telescope | 3.0 m C. Donald Shane Telescope |
| Discovery Instrument | Hamilton Echelle Spectrograph |
| Discovery Date | 1999-01 |
| Reference | Fischer et al. 1999 |