The HD 104985 system contains 1 exoplanet. It is located 328.03 light years away from the solar system.
| Mass | 2.3 solar masses |
| Radius | 11 solar radiae |
| Temperature | 4877 kelvin |
| Stellar Metallicity | -0.15 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, HD 104985 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2637.900 Earth masses |
| Density | 7.250 grams per cubic centimeter |
| Radius | 12.600 Earth radiae |
| Semi-major Axis | 0.95 AU |
| Eccentricity | 0.09 |
| Orbital Period | 199.505 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Okayama Astrophysical Observatory |
| Discovery Telescope | 1.88 m Telescope |
| Discovery Instrument | HIDES Echelle Spectrograph |
| Discovery Date | 2003-11 |
| Reference | Sato et al. 2003 |