The BD-11 4672 system contains 2 exoplanets. It is located 88.61 light years away from the solar system.
Mass | 0.65 solar masses |
Radius | 0.64 solar radiae |
Temperature | 4550 kelvin |
Stellar Metallicity | -0.35 decimal exponent |
Age | 7.4 billion years |
At more than 50 Earth masses, BD-11 4672 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
Mass | 206.589 Earth masses |
Density | 0.405 grams per cubic centimeter |
Radius | 14.100 Earth radiae |
Semi-major Axis | 2.36 AU |
Eccentricity | 0.05 |
Orbital Period | 1634.000 days |
Discovery Method | Radial Velocity |
Discovery Facility | La Silla Observatory |
Discovery Telescope | 3.6 m ESO Telescope |
Discovery Instrument | HARPS Spectrograph |
Discovery Date | 2015-04 |
Reference | Moutou et al. 2015 |
At more than 10 Earth masses, BD-11 4672 c 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 | 15.370 Earth masses |
Density | 1.280 grams per cubic centimeter |
Radius | 4.040 Earth radiae |
Semi-major Axis | 0.3 AU |
Eccentricity | 0.4 |
Orbital Period | 74.200 days |
Discovery Method | Radial Velocity |
Discovery Facility | Roque de los Muchachos Observatory |
Discovery Telescope | 3.58 m Telescopio Nazionale Galileo |
Discovery Instrument | HARPS-N Spectrograph |
Discovery Date | 2020-09 |
Reference | Barbato et al. 2020 |