Back to Catalog
Kepler-16 b is a Gas Giant exoplanet (a massive planet composed primarily of hydrogen and helium), about 8.4 times the radius of Earth. The planet completes one orbit around its star every 228.8 Earth days. It was discovered in 2011 using the transit method. It orbits the star Kepler-16, located approximately 75 parsecs (245 light-years) from Earth.
2011
Discovered
105.8
Earth Masses
8.45
Earth Radii
Discovery Information
Discovery MethodTransit
Discovery Year2,011
Discovery FacilityKepler
Orbital Properties
Orbital Period228.776 days
Semi-Major Axis0.7048 AU
Eccentricity0.0069
Inclination90.0322 deg
Physical Properties
Mass (Jupiter)0.333 MJ
Mass (Earth)105.833 M⊕
Radius (Jupiter)0.7538 RJ
Radius (Earth)8.4493 R⊕
Density0.964 g/cm3
Planetary Extremes
Where Kepler-16 b sits on the spectrum of all known exoplanets.
Mass105.8 M⊕
FeatherweightColossus
Radius8.45 R⊕
TinyEnormous
Year Length228.8 days
LightningGlacial
Density0.96 g/cm³
FluffyIron-dense
Star Distance0.705 AU
ScorchedFrozen exile
Star System View
Loading 3D view...
Size Comparison
8.45x Earth's radius (0.75x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)Kepler-16 b: 228.8 Earth days (0.705 AU)
Host Star: Kepler-16
Effective Temperature4,450 K
Mass0.6897 M☉
Radius0.6489 R☉
Size vs Sun1.54x smaller
Metallicity [Fe/H]-0.3
Distance (pc)75.0852 pc
Distance (ly)244.9 light-years
Planets in the Kepler-16 System
What If You Lived Here?
103.8 kg
Your weight (from 70 kg)
1.48g
Heavy
Every step takes effort. Climbing stairs is exhausting.
228.8 Earth days
Year length
Unknown sunrise
Test Your Knowledge
Related Research
Loading papers...