The HD 13808 system contains 2 exoplanets. It is located 92.08 light years away from the solar system.
| Mass | 0.77 solar masses |
| Radius | 0.78 solar radiae |
| Temperature | 5035 kelvin |
| Stellar Metallicity | -0.21 decimal exponent |
| Age | 7.2 billion years |
At more than 10 Earth masses, HD 13808 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 | 11.200 Earth masses |
| Density | 1.640 grams per cubic centimeter |
| Radius | 3.350 Earth radiae |
| Semi-major Axis | 0.10519 AU |
| Eccentricity | 0.071 |
| Orbital Period | 14.181 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2021-02 |
| Reference | Ahrer et al. 2021 |
At more than 10 Earth masses, HD 13808 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 | 9.960 Earth masses |
| Density | 1.780 grams per cubic centimeter |
| Radius | 3.130 Earth radiae |
| Semi-major Axis | 0.2554 AU |
| Eccentricity | 0.156 |
| Orbital Period | 53.753 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2021-02 |
| Reference | Ahrer et al. 2021 |