The HD 30177 system contains 2 exoplanets. It is located 181.30 light years away from the solar system.
| Mass | 0.98 solar masses |
| Radius | 1.02 solar radiae |
| Temperature | 5580 kelvin |
| Stellar Metallicity | 0.37 decimal exponent |
| Age | 2.525 billion years |
At more than 50 Earth masses, HD 30177 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2761.289 Earth masses |
| Density | 7.770 grams per cubic centimeter |
| Radius | 12.500 Earth radiae |
| Semi-major Axis | 3.603011 AU |
| Eccentricity | 0.206645 |
| Orbital Period | 2514.534 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Anglo-Australian Telescope |
| Discovery Telescope | 3.9 m Anglo-Australian Telescope |
| Discovery Instrument | UCLES Spectrograph |
| Discovery Date | 2003-04 |
| Reference | Tinney et al. 2003 |
At more than 50 Earth masses, HD 30177 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2084.543 Earth masses |
| Density | 5.590 grams per cubic centimeter |
| Radius | 12.700 Earth radiae |
| Semi-major Axis | 10.273072 AU |
| Eccentricity | 0.038869 |
| Orbital Period | 12085.452 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2017-04 |
| Reference | Wittenmyer et al. 2017 |