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 |