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LHS 1140 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/LHS 1140 b

Confirmed exoplanet · Super Earth

LHS 1140 b

Orbiting LHS 1140

Discovered in 2017 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of LHS 1140 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,017
Method: Transit
Radius: 1.73 R⊕
Mass: 5.6 M⊕
Orbit: 24.73723 days
Distance: 14.9861 pc

Planet profile

Orbit and physical properties

Orbital period: 24.73723 days
Semi-major axis: 0.0946 AU
Eccentricity: 0.043
Radius: 1.73 Earth radii
Mass: 5.6 Earth masses
Mass provenance: Mass
Density: 5.9 g/cm³
Equilibrium temperature: 226 K
Insolation: 0.43 Earth flux

Host system

Star and system properties

Host star: LHS 1140
Stars in system: 1
Known planets in system: 2
Spectral type: M4.5 V
Stellar temperature: 3,096 K
Stellar radius: 0.2159 R☉
Stellar mass: 0.1844 M☉
Stellar metallicity: -0.15 dex
Stellar age: 5 Gyr
Distance: 14.9861 parsecs
Right ascension: 00h44m59.67s
Declination: -15d16m26.79s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,017
Publication date: 2017-04
Discovery locale: Ground
Facility: MEarth Project
Telescope: 0.4 m MEarth Telescope
Instrument: Apogee CCD Sensor
NASA Exoplanet Archive: Open composite record ↗

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