Back to Catalog
Kepler-258 b is a Neptune-like exoplanet (an ice giant with a thick atmosphere), about 4.1 times the radius of Earth. The planet completes one orbit around its star every 13.2 Earth days. It was discovered in 2014 using the transit method. It orbits the star Kepler-258, located approximately 576 parsecs (1879 light-years) from Earth.
2014
Discovered
4.06
Earth Radii
Discovery Information
Discovery MethodTransit
Discovery Year2,014
Discovery FacilityKepler
Orbital Properties
Orbital Period13.1972 days
Semi-Major Axis0.103 AU
Physical Properties
Radius (Jupiter)0.362 RJ
Radius (Earth)4.06 R⊕
Planetary Extremes
Where Kepler-258 b sits on the spectrum of all known exoplanets.
Radius4.06 R⊕
TinyEnormous
Year Length13.2 days
LightningGlacial
Star Distance0.103 AU
ScorchedFrozen exile
Star System View
Loading 3D view...
Size Comparison
4.06x Earth's radius (0.36x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)Kepler-258 b: 13.2 Earth days (0.103 AU)
Host Star: Kepler-258
Effective Temperature4,942 K
Radius0.915 R☉
Size vs Sun1.09x smaller
Distance (pc)575.988 pc
Distance (ly)1878.6 light-years
Planets in the Kepler-258 System
Test Your Knowledge
Related Research
Loading papers...