Back to Catalog
2018
Discovered
1.90
Earth Radii
226
Temperature (K)
Discovery Information
Discovery MethodTransit
Discovery Year2,018
Discovery FacilityK2
Orbital Properties
Orbital Period31.3935 days
Semi-Major Axis0.164 AU
Inclination89.81 deg
Physical Properties
Radius (Jupiter)0.1695 RJ
Radius (Earth)1.9 R⊕
Eq. Temperature226.36 K
Planetary Extremes
Where K2-288 B b sits on the spectrum of all known exoplanets.
Radius1.90 R⊕
TinyEnormous
Temperature226 K
FrozenInferno
Year Length31.4 days
LightningGlacial
Star Distance0.164 AU
ScorchedFrozen exile
Size Comparison
1.90x Earth's radius (0.17x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)K2-288 B b: 31.4 Earth days (0.164 AU)
Host Star: K2-288 B
Spectral TypeM3 V
Effective Temperature3,341 K
Mass0.33 M☉
Radius0.32 R☉
Size vs Sun3.13x smaller
Luminosity0.0117 L☉
Luminosity vs Sun85.1x dimmer
Metallicity [Fe/H]-0.21
Distance (pc)65.6138 pc
Distance (ly)214.0 light-years
Star System View
Loading 3D view...
Test Your Knowledge
Related Research
Loading papers...