The HD 142 system contains 2 exoplanets. It is located 85.40 light years away from the solar system.
| Mass | 1.23 solar masses |
| Radius | 1.47 solar radiae |
| Temperature | 6245 kelvin |
| Stellar Metallicity | 0.09 decimal exponent |
| Age | 3.12 billion years |
At more than 50 Earth masses, HD 142 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 397.270 Earth masses |
| Density | 0.849 grams per cubic centimeter |
| Radius | 13.700 Earth radiae |
| Semi-major Axis | 1.02 AU |
| Eccentricity | 0.17 |
| Orbital Period | 349.700 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Anglo-Australian Telescope |
| Discovery Telescope | 3.9 m Anglo-Australian Telescope |
| Discovery Instrument | UCLES Spectrograph |
| Discovery Date | 2002-05 |
| Reference | Tinney et al. 2002 |
At more than 50 Earth masses, HD 142 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1684.400 Earth masses |
| Density | 4.410 grams per cubic centimeter |
| Radius | 12.800 Earth radiae |
| Semi-major Axis | 6.8 AU |
| Eccentricity | 0.21 |
| Orbital Period | 6005.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Anglo-Australian Telescope |
| Discovery Telescope | 3.9 m Anglo-Australian Telescope |
| Discovery Instrument | UCLES Spectrograph |
| Discovery Date | 2012-07 |
| Reference | Wittenmyer et al. 2012 |