The HD 23472 system contains 2 exoplanets. It is located 127.31 light years away from the solar system.
Mass | 0.75 solar masses |
Radius | 0.73 solar radiae |
Temperature | 4813 kelvin |
Stellar Metallicity | -0.19 decimal exponent |
Age | - billion years |
At more than 10 Earth masses, HD 23472 b is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
Mass | 17.920 Earth masses |
Density | 15.000 grams per cubic centimeter |
Radius | 1.872 Earth radiae |
Semi-major Axis | 0.121 AU |
Eccentricity | 0 |
Orbital Period | 17.667 days |
Discovery Method | Transit |
Discovery Facility | Transiting Exoplanet Survey Satellite (TESS) |
Discovery Telescope | 0.1 m TESS Telescope |
Discovery Instrument | TESS CCD Array |
Discovery Date | 2019-02 |
Reference | Trifonov et al. 2019 |
At more than 10 Earth masses, HD 23472 c is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
Mass | 17.180 Earth masses |
Density | 9.510 grams per cubic centimeter |
Radius | 2.149 Earth radiae |
Semi-major Axis | 0.17 AU |
Eccentricity | 0 |
Orbital Period | 29.625 days |
Discovery Method | Transit |
Discovery Facility | Transiting Exoplanet Survey Satellite (TESS) |
Discovery Telescope | 0.1 m TESS Telescope |
Discovery Instrument | TESS CCD Array |
Discovery Date | 2019-02 |
Reference | Trifonov et al. 2019 |