The HD 147873 system contains 2 exoplanets. It is located 355.69 light years away from the solar system.
Mass | 1.38 solar masses |
Radius | 2.29 solar radiae |
Temperature | 5972 kelvin |
Stellar Metallicity | 0.03 decimal exponent |
Age | 4 billion years |
At more than 50 Earth masses, HD 147873 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
Mass | 1633.646 Earth masses |
Density | 4.280 grams per cubic centimeter |
Radius | 12.800 Earth radiae |
Semi-major Axis | 0.522 AU |
Eccentricity | 0.207 |
Orbital Period | 116.596 days |
Discovery Method | Radial Velocity |
Discovery Facility | Multiple Observatories |
Discovery Telescope | Multiple Telescopes |
Discovery Instrument | Multiple Instruments |
Discovery Date | 2017-04 |
Reference | Jenkins et al. 2017 |
At more than 50 Earth masses, HD 147873 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
Mass | 731.009 Earth masses |
Density | 1.710 grams per cubic centimeter |
Radius | 13.300 Earth radiae |
Semi-major Axis | 1.36 AU |
Eccentricity | 0.23 |
Orbital Period | 491.540 days |
Discovery Method | Radial Velocity |
Discovery Facility | Multiple Observatories |
Discovery Telescope | Multiple Telescopes |
Discovery Instrument | Multiple Instruments |
Discovery Date | 2017-04 |
Reference | Jenkins et al. 2017 |