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Kepler-1237 b is a Neptune-like exoplanet (an ice giant with a thick atmosphere), about 2.9 times the radius of Earth. The planet completes one orbit around its star every 84.6 Earth days. It was discovered in 2016 using the transit method. It orbits the star Kepler-1237, located approximately 1064 parsecs (3471 light-years) from Earth.
2016
Discovered
2.86
Earth Radii
Discovery Information
Discovery MethodTransit
Discovery Year2,016
Discovery FacilityKepler
Orbital Properties
Orbital Period84.5733 days
Semi-Major Axis0.3694 AU
Physical Properties
Radius (Jupiter)0.2552 RJ
Radius (Earth)2.86 R⊕
Planetary Extremes
Where Kepler-1237 b sits on the spectrum of all known exoplanets.
Radius2.86 R⊕
TinyEnormous
Year Length84.6 days
LightningGlacial
Star Distance0.369 AU
ScorchedFrozen exile
Star System View
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Size Comparison
2.86x Earth's radius (0.26x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)Kepler-1237 b: 84.6 Earth days (0.369 AU)
Host Star: Kepler-1237
Effective Temperature5,472 K
Mass0.94 M☉
Radius0.9 R☉
Size vs Sun1.11x smaller
Metallicity [Fe/H]0.12
Distance (pc)1,064.31 pc
Distance (ly)3471.3 light-years
Planets in the Kepler-1237 System
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