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K2-275 c is a Neptune-like exoplanet (an ice giant with a thick atmosphere), about 2.2 times the radius of Earth. It has an equilibrium temperature of 653 K (380°C). The planet completes one orbit around its star every 8.4 Earth days. It was discovered in 2018 using the transit method. It orbits the star K2-275, located approximately 123 parsecs (403 light-years) from Earth.
2018
Discovered
2.21
Earth Radii
653
Temperature (K)
Discovery Information
Discovery MethodTransit
Discovery Year2,018
Discovery FacilityK2
Orbital Properties
Orbital Period8.4388 days
Semi-Major Axis0.0881 AU
Physical Properties
Radius (Jupiter)0.1972 RJ
Radius (Earth)2.21 R⊕
Eq. Temperature653 K
Planetary Extremes
Where K2-275 c sits on the spectrum of all known exoplanets.
Radius2.21 R⊕
TinyEnormous
Temperature653 K
FrozenInferno
Year Length8.4 days
LightningGlacial
Star Distance0.088 AU
ScorchedFrozen exile
Star System View
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Size Comparison
2.21x Earth's radius (0.20x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)K2-275 c: 8.4 Earth days (0.088 AU)
Host Star: K2-275
Effective Temperature4,841 K
Mass0.77 M☉
Radius0.69 R☉
Size vs Sun1.45x smaller
Metallicity [Fe/H]-0.06
Distance (pc)123.438 pc
Distance (ly)402.6 light-years
Planets in the K2-275 System
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