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2017
Discovered
5.6
Earth Masses
1.73
Earth Radii
226
Temperature (K)
Discovery Information
Discovery MethodTransit
Discovery Year2,017
Discovery FacilityMEarth Project
Orbital Properties
Orbital Period24.7372 days
Semi-Major Axis0.0946 AU
Eccentricity0.043
Inclination89.86 deg
Physical Properties
Mass (Jupiter)0.0176 MJ
Mass (Earth)5.6 M⊕
Radius (Jupiter)0.1543 RJ
Radius (Earth)1.73 R⊕
Density5.9 g/cm3
Eq. Temperature226 K
Insolation Flux0.43 S⊕
Planetary Extremes
Where LHS 1140 b sits on the spectrum of all known exoplanets.
Mass5.6 M⊕
FeatherweightColossus
Radius1.73 R⊕
TinyEnormous
Temperature226 K
FrozenInferno
Year Length24.7 days
LightningGlacial
Density5.90 g/cm³
FluffyIron-dense
Star Distance0.095 AU
ScorchedFrozen exile
Size Comparison
1.73x Earth's radius (0.15x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)LHS 1140 b: 24.7 Earth days (0.095 AU)
Host Star: LHS 1140
Spectral TypeM4.5 V
Effective Temperature3,096 K
Mass0.1844 M☉
Radius0.2159 R☉
Size vs Sun4.63x smaller
Luminosity0.0038 L☉
Luminosity vs Sun263.2x dimmer
Metallicity [Fe/H]-0.15
Distance (pc)14.9861 pc
Distance (ly)48.9 light-years
Star System View
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Other Planets in the LHS 1140 System
What If You Lived Here?
131.0 kg
Your weight (from 70 kg)
1.87g
Heavy
Every step takes effort. Climbing stairs is exhausting.
24.7 Earth days
Year length
Red sunrise
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