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Kepler-397 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-397 b

Confirmed exoplanet · Super Earth

Kepler-397 b

Orbiting Kepler-397

Discovered in 2014 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 Kepler-397 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Transit
Radius: 2.46 R⊕
Mass: 6.62 M⊕
Orbit: 22.250949 days
Distance: 969 pc

Planet profile

Orbit and physical properties

Orbital period: 22.250949 days
Semi-major axis: 0.144 AU
Eccentricity: 0
Radius: 2.46 Earth radii
Mass: 6.62 Earth masses
Mass provenance: M-R relationship
Density: 2.44 g/cm³
Equilibrium temperature: 539 K
Insolation: 20.01 Earth flux

Host system

Star and system properties

Host star: Kepler-397
Stars in system: 1
Known planets in system: 2
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,307 K
Stellar radius: 0.767 R☉
Stellar mass: 0.844 M☉
Stellar metallicity: -0.24 dex
Stellar age: 5.25 Gyr
Distance: 969 parsecs
Right ascension: 19h43m34.57s
Declination: +42d22m49.86s

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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