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Kepler-388 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-388 b

Confirmed exoplanet · Terrestrial

Kepler-388 b

Orbiting Kepler-388

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-388 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Transit
Radius: 0.81 R⊕
Mass: 0.457 M⊕
Orbit: 3.173315 days
Distance: 425 pc

Planet profile

Orbit and physical properties

Orbital period: 3.173315 days
Semi-major axis: 0.036 AU
Eccentricity: 0
Radius: 0.81 Earth radii
Mass: 0.457 Earth masses
Mass provenance: M-R relationship
Density: 4.73 g/cm³
Equilibrium temperature: 830 K
Insolation: 112.21 Earth flux

Host system

Star and system properties

Host star: Kepler-388
Stars in system: 1
Known planets in system: 2
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,498 K
Stellar radius: 0.586 R☉
Stellar mass: 0.635 M☉
Stellar metallicity: 0 dex
Stellar age: 13.9 Gyr
Distance: 425 parsecs
Right ascension: 18h59m18.73s
Declination: +44d36m31.12s

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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