The HD 47186 system contains 2 exoplanets. It is located 122.17 light years away from the solar system.
Mass | 0.96 solar masses |
Radius | 1.08 solar radiae |
Temperature | 5657 kelvin |
Stellar Metallicity | 0.24 decimal exponent |
Age | 6.5 billion years |
At more than 10 Earth masses, HD 47186 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 | 22.248 Earth masses |
Density | 0.966 grams per cubic centimeter |
Radius | 5.020 Earth radiae |
Semi-major Axis | 0.05 AU |
Eccentricity | 0.04 |
Orbital Period | 4.085 days |
Discovery Method | Radial Velocity |
Discovery Facility | La Silla Observatory |
Discovery Telescope | 3.6 m ESO Telescope |
Discovery Instrument | HARPS Spectrograph |
Discovery Date | 2009-03 |
Reference | Bouchy et al. 2009 |
At more than 50 Earth masses, HD 47186 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
Mass | 111.420 Earth masses |
Density | 0.279 grams per cubic centimeter |
Radius | 13.000 Earth radiae |
Semi-major Axis | 2.395 AU |
Eccentricity | 0.249 |
Orbital Period | 1353.600 days |
Discovery Method | Radial Velocity |
Discovery Facility | La Silla Observatory |
Discovery Telescope | 3.6 m ESO Telescope |
Discovery Instrument | HARPS Spectrograph |
Discovery Date | 2009-03 |
Reference | Bouchy et al. 2009 |