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LHS 1140 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/LHS 1140 c

Confirmed exoplanet · Terrestrial

LHS 1140 c

Orbiting LHS 1140

Discovered in 2018 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic terrestrial catalog artwork; not a direct image of LHS 1140 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Transit
Radius: 1.272 R⊕
Mass: 1.91 M⊕
Orbit: 3.77794 days
Distance: 14.9861 pc

Planet profile

Orbit and physical properties

Orbital period: 3.77794 days
Semi-major axis: 0.027 AU
Eccentricity: 0.05
Radius: 1.272 Earth radii
Mass: 1.91 Earth masses
Mass provenance: Mass
Density: 5.1 g/cm³
Equilibrium temperature: 422 K
Insolation: 5.3 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: 2,018
Publication date: 2019-01
Discovery locale: Multiple Locales
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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