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2018
Discovered
1.1
Earth Masses
0.94
Earth Radii
2432
Temperature (K)
Discovery Information
Discovery MethodTransit
Discovery Year2,018
Discovery FacilityK2
Orbital Properties
Orbital Period0.3653 days
Semi-Major Axis0.0096 AU
Inclination89.2 deg
Physical Properties
Mass (Jupiter)0.0036 MJ
Mass (Earth)1.14 M⊕
Radius (Jupiter)0.0834 RJ
Radius (Earth)0.935 R⊕
Density7.7 g/cm3
Eq. Temperature2,432 K
Insolation Flux6,660 S⊕
Planetary Extremes
Where K2-157 b sits on the spectrum of all known exoplanets.
Mass1.1 M⊕
FeatherweightColossus
Radius0.94 R⊕
TinyEnormous
Temperature2432 K
FrozenInferno
Year Length8.8 hrs
LightningGlacial
Density7.70 g/cm³
FluffyIron-dense
Star Distance9.6e-3 AU
ScorchedFrozen exile
Size Comparison
0.94x Earth's radius
Orbit Comparison
Earth: 365.25 days (1 AU)K2-157 b: 8.8 hours (0.010 AU)
Host Star: K2-157
Spectral TypeG9 V
Effective Temperature5,334 K
Mass0.89 M☉
Radius0.86 R☉
Size vs Sun1.16x smaller
Metallicity [Fe/H]0.02
Distance (pc)298.373 pc
Distance (ly)973.2 light-years
Star System View
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Other Planets in the K2-157 System
What If You Lived Here?
91.3 kg
Your weight (from 70 kg)
1.30g
Heavy
Every step takes effort. Climbing stairs is exhausting.
8.8 hours
Year length
Yellow sunrise
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