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Kepler-338 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-338 d

Confirmed exoplanet · Neptune Like

Kepler-338 d

Orbiting Kepler-338

Discovered in 2014 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of Kepler-338 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Transit
Radius: 3 R⊕
Mass: 9.27 M⊕
Orbit: 44.431014 days
Distance: 552.798 pc

Planet profile

Orbit and physical properties

Orbital period: 44.431014 days
Semi-major axis: 0.257 AU
Eccentricity: 0.03
Radius: 3 Earth radii
Mass: 9.27 Earth masses
Mass provenance: M-R relationship
Density: 1.89 g/cm³
Equilibrium temperature: 680 K
Insolation: 53.556 Earth flux

Host system

Star and system properties

Host star: Kepler-338
Stars in system: 1
Known planets in system: 4
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,923 K
Stellar radius: 1.735 R☉
Stellar mass: 1.105 M☉
Stellar metallicity: -0.029 dex
Stellar age: 6.46 Gyr
Distance: 552.798 parsecs
Right ascension: 18h51m54.97s
Declination: +40d47m03.91s

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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