The HD 73534 system contains 1 exoplanet. It is located 271.79 light years away from the solar system.
| Mass | 1.16 solar masses |
| Radius | 2.58 solar radiae |
| Temperature | 4917 kelvin |
| Stellar Metallicity | 0.232 decimal exponent |
| Age | 7.04 billion years |
At more than 50 Earth masses, HD 73534 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 353.427 Earth masses |
| Density | 0.755 grams per cubic centimeter |
| Radius | 13.700 Earth radiae |
| Semi-major Axis | 2.99 AU |
| Eccentricity | 0.126 |
| Orbital Period | 1750.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | W. M. Keck Observatory |
| Discovery Telescope | 10 m Keck I Telescope |
| Discovery Instrument | HIRES Spectrometer |
| Discovery Date | 2009-09 |
| Reference | Valenti et al. 2009 |