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2018
Discovered
2.00
Earth Radii
497
Temperature (K)
Discovery Information
Discovery MethodTransit
Discovery Year2,018
Discovery FacilityK2
Orbital Properties
Orbital Period7.5157 days
Semi-Major Axis0.0614 AU
Physical Properties
Radius (Jupiter)0.1784 RJ
Radius (Earth)2 R⊕
Eq. Temperature497 K
Planetary Extremes
Where K2-153 b sits on the spectrum of all known exoplanets.
Radius2.00 R⊕
TinyEnormous
Temperature497 K
FrozenInferno
Year Length7.5 days
LightningGlacial
Star Distance0.061 AU
ScorchedFrozen exile
Size Comparison
2.00x Earth's radius (0.18x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)K2-153 b: 7.5 Earth days (0.061 AU)
Host Star: K2-153
Effective Temperature3,845 K
Mass0.55 M☉
Radius0.53 R☉
Size vs Sun1.89x smaller
Metallicity [Fe/H]-0.09
Distance (pc)143.125 pc
Distance (ly)466.8 light-years
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