The HD 457 system contains 1 exoplanet. It is located 179.51 light years away from the solar system.
| Mass | 1.15 solar masses |
| Radius | 1.28 solar radiae |
| Temperature | 6114.04 kelvin |
| Stellar Metallicity | 0.34 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, HD 457 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 7574.932 Earth masses |
| Density | 24.100 grams per cubic centimeter |
| Radius | 12.000 Earth radiae |
| Semi-major Axis | 15.443431 AU |
| Eccentricity | 0.565248 |
| Orbital Period | 20324.582 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 |