The HD 12235 system contains 2 exoplanets. It is located 103.60 light years away from the solar system.
| Mass | 1.1 solar masses |
| Radius | 1.8 solar radiae |
| Temperature | 5986 kelvin |
| Stellar Metallicity | 0.31 decimal exponent |
| Age | - billion years |
At more than 10 Earth masses, HD 12235 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 | 10.334 Earth masses |
| Density | 1.730 grams per cubic centimeter |
| Radius | 3.200 Earth radiae |
| Semi-major Axis | 0.053918 AU |
| Eccentricity | 0.376428 |
| Orbital Period | 4.363 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2022-09 |
| Reference | Feng et al. 2022 |
At more than 50 Earth masses, HD 12235 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 3171.505 Earth masses |
| Density | 8.920 grams per cubic centimeter |
| Radius | 12.500 Earth radiae |
| Semi-major Axis | 22.187701 AU |
| Eccentricity | 0.174465 |
| Orbital Period | 36336.707 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2022-09 |
| Reference | Feng et al. 2022 |