The HD 4917 system contains 1 exoplanet. It is located 666.26 light years away from the solar system.
Mass | 1.32 solar masses |
Radius | 5.01 solar radiae |
Temperature | 4802 kelvin |
Stellar Metallicity | 0.18 decimal exponent |
Age | - billion years |
At more than 50 Earth masses, HD 4917 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
Mass | 513.295 Earth masses |
Density | 1.150 grams per cubic centimeter |
Radius | 13.500 Earth radiae |
Semi-major Axis | 1.167 AU |
Eccentricity | 0.066 |
Orbital Period | 400.500 days |
Discovery Method | Radial Velocity |
Discovery Facility | W. M. Keck Observatory |
Discovery Telescope | 10 m Keck I Telescope |
Discovery Instrument | HIRES Spectrometer |
Discovery Date | 2019-04 |
Reference | Luhn et al. 2019 |