The HD 203387 system contains 2 exoplanets. It is located 201.39 light years away from the solar system.
| Mass | 2.82 solar masses |
| Radius | 10.59 solar radiae |
| Temperature | 5174.32 kelvin |
| Stellar Metallicity | 0.05 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, HD 203387 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1110.493 Earth masses |
| Density | 2.710 grams per cubic centimeter |
| Radius | 13.100 Earth radiae |
| Semi-major Axis | 1.768964 AU |
| Eccentricity | 0.731843 |
| Orbital Period | 512.535 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 203387 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2375.789 Earth masses |
| Density | 6.530 grams per cubic centimeter |
| Radius | 12.600 Earth radiae |
| Semi-major Axis | 5.068253 AU |
| Eccentricity | 0.201821 |
| Orbital Period | 2481.072 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 |