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2018
Discovered
1.9
Earth Masses
1.27
Earth Radii
422
Temperature (K)
Discovery Information
Discovery MethodTransit
Discovery Year2,018
Discovery FacilityMultiple Observatories
Orbital Properties
Orbital Period3.7779 days
Semi-Major Axis0.027 AU
Eccentricity0.05
Inclination89.8 deg
Physical Properties
Mass (Jupiter)0.006 MJ
Mass (Earth)1.91 M⊕
Radius (Jupiter)0.1135 RJ
Radius (Earth)1.272 R⊕
Density5.1 g/cm3
Eq. Temperature422 K
Insolation Flux5.3 S⊕
Planetary Extremes
Where LHS 1140 c sits on the spectrum of all known exoplanets.
Mass1.9 M⊕
FeatherweightColossus
Radius1.27 R⊕
TinyEnormous
Temperature422 K
FrozenInferno
Year Length3.8 days
LightningGlacial
Density5.10 g/cm³
FluffyIron-dense
Star Distance0.027 AU
ScorchedFrozen exile
Size Comparison
1.27x Earth's radius (0.11x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)LHS 1140 c: 3.8 Earth days (0.027 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?
82.6 kg
Your weight (from 70 kg)
1.18g
Heavy
Every step takes effort. Climbing stairs is exhausting.
3.8 Earth days
Year length
Red sunrise
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