The HD 74156 system contains 2 exoplanets. It is located 187.88 light years away from the solar system.
| Mass | 1.1 solar masses |
| Radius | 1.51 solar radiae |
| Temperature | 6068 kelvin |
| Stellar Metallicity | 0.11 decimal exponent |
| Age | 3.7 billion years |
At more than 50 Earth masses, HD 74156 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 531.832 Earth masses |
| Density | 1.190 grams per cubic centimeter |
| Radius | 13.500 Earth radiae |
| Semi-major Axis | 0.280148 AU |
| Eccentricity | 0.635643 |
| Orbital Period | 51.636 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Haute-Provence Observatory |
| Discovery Telescope | 1.93 m Telescope |
| Discovery Instrument | ELODIE Spectrograph |
| Discovery Date | 2004-01 |
| Reference | Naef et al. 2004 |
At more than 50 Earth masses, HD 74156 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2894.472 Earth masses |
| Density | 8.140 grams per cubic centimeter |
| Radius | 12.500 Earth radiae |
| Semi-major Axis | 3.676463 AU |
| Eccentricity | 0.377277 |
| Orbital Period | 2448.487 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Haute-Provence Observatory |
| Discovery Telescope | 1.93 m Telescope |
| Discovery Instrument | ELODIE Spectrograph |
| Discovery Date | 2004-01 |
| Reference | Naef et al. 2004 |