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LHS 1140 b

Orbiting LHS 1140, discovered in 2017 (7522) by MEarth Project via the Transit method.

Planet

Radius1.73 R⊕
Mass5.60 M⊕
Orbital period24.74 Earth days (~0.1 Earth years)
Orbital eccentricity0.043
Equilibrium temperature226 K (-47 °C)

Host star — LHS 1140

Temperature3096 K (2823 °C)
Radius0.22 R☉
Mass0.18 M☉

Location

Distance from Earth15.0 pc (~49 light-years)
Right ascension / Declination11.2486 / -15.2741

Last refreshed 2026-09-13 from NASA's Exoplanet Archive.