The HD 20782 system contains 5 exoplanets. It is located 117.37 light years away from the solar system.
| Mass | 1.04 solar masses |
| Radius | 1.13 solar radiae |
| Temperature | 5782.13 kelvin |
| Stellar Metallicity | -0.054 decimal exponent |
| Age | 5.53 billion years |
At more than 50 Earth masses, HD 20782 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 472.830 Earth masses |
| Density | 1.030 grams per cubic centimeter |
| Radius | 13.600 Earth radiae |
| Semi-major Axis | 1.3649 AU |
| Eccentricity | 0.95 |
| Orbital Period | 597.064 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Anglo-Australian Telescope |
| Discovery Telescope | 3.9 m Anglo-Australian Telescope |
| Discovery Instrument | UCLES Spectrograph |
| Discovery Date | 2006-06 |
| Reference | Jones et al. 2006 |