The HD 105618 system contains 2 exoplanets. It is located 228.58 light years away from the solar system.
Mass | 1.01 solar masses |
Radius | 1.27 solar radiae |
Temperature | 5671 kelvin |
Stellar Metallicity | - decimal exponent |
Age | - billion years |
At more than 10 Earth masses, HD 105618 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 | 25.145 Earth masses |
Density | 0.877 grams per cubic centimeter |
Radius | 5.400 Earth radiae |
Semi-major Axis | 0.09124 AU |
Eccentricity | 0.454676 |
Orbital Period | 10.022 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 105618 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
Mass | 8550.269 Earth masses |
Density | 27.900 grams per cubic centimeter |
Radius | 11.900 Earth radiae |
Semi-major Axis | 35.747028 AU |
Eccentricity | 0.126319 |
Orbital Period | 77114.072 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 |