The HD 43197 system contains 2 exoplanets. It is located 203.56 light years away from the solar system.
| Mass | 0.96 solar masses |
| Radius | 1 solar radiae |
| Temperature | 5508 kelvin |
| Stellar Metallicity | 0.4 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, HD 43197 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 176.038 Earth masses |
| Density | 0.338 grams per cubic centimeter |
| Radius | 14.200 Earth radiae |
| Semi-major Axis | 0.881867 AU |
| Eccentricity | 0.741938 |
| Orbital Period | 308.921 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2010-11 |
| Reference | Naef et al. 2010 |
At more than 50 Earth masses, HD 43197 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2479.196 Earth masses |
| Density | 6.810 grams per cubic centimeter |
| Radius | 12.600 Earth radiae |
| Semi-major Axis | 8.556456 AU |
| Eccentricity | 0.148799 |
| Orbital Period | 9295.973 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 |