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Kepler-1801 b is a Neptune-like exoplanet (an ice giant with a thick atmosphere), about 2.7 times the radius of Earth. The planet completes one orbit around its star every 10.4 Earth days. It was discovered in 2021 using the transit method. It orbits the star Kepler-1801, located approximately 839 parsecs (2738 light-years) from Earth.
2021
Discovered
2.71
Earth Radii
Discovery Information
Discovery MethodTransit
Discovery Year2,021
Discovery FacilityKepler
Orbital Properties
Orbital Period10.4409 days
Semi-Major Axis0.0915 AU
Physical Properties
Radius (Jupiter)0.2417 RJ
Radius (Earth)2.7093 R⊕
Planetary Extremes
Where Kepler-1801 b sits on the spectrum of all known exoplanets.
Radius2.71 R⊕
TinyEnormous
Year Length10.4 days
LightningGlacial
Star Distance0.091 AU
ScorchedFrozen exile
Star System View
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Size Comparison
2.71x Earth's radius (0.24x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)Kepler-1801 b: 10.4 Earth days (0.091 AU)
Host Star: Kepler-1801
Effective Temperature5,738 K
Mass0.936 M☉
Radius0.981 R☉
Size vs Sun1.02x smaller
Metallicity [Fe/H]-0.06
Distance (pc)839.332 pc
Distance (ly)2737.5 light-years
Planets in the Kepler-1801 System
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