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Kepler-138 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-138 b

Confirmed exoplanet · Terrestrial

Kepler-138 b

Orbiting Kepler-138

Discovered in 2014 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 Kepler-138 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Transit
Radius: 0.64 R⊕
Mass: 0.07 M⊕
Orbit: 10.3134 days
Distance: 66.8624 pc

Planet profile

Orbit and physical properties

Orbital period: 10.3134 days
Semi-major axis: 0.0753 AU
Eccentricity: 0.02
Radius: 0.64 Earth radii
Mass: 0.07 Earth masses
Mass provenance: Mass
Density: 1.7 g/cm³
Equilibrium temperature: 452 K
Insolation: 9.9 Earth flux

Host system

Star and system properties

Host star: Kepler-138
Stars in system: 1
Known planets in system: 4
Spectral type: M1 V
Stellar temperature: 3,841 K
Stellar radius: 0.535 R☉
Stellar mass: 0.535 M☉
Stellar metallicity: -0.18 dex
Stellar age: 2.21 Gyr
Distance: 66.8624 parsecs
Right ascension: 19h21m31.54s
Declination: +43d17m35.03s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,014
Publication date: 2014-03
Discovery locale: Space
Facility: Kepler
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

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