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Kepler-247 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-247 d

Confirmed exoplanet · Neptune Like

Kepler-247 d

Orbiting Kepler-247

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-247 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Transit
Radius: 4.5 R⊕
Mass: 50 M⊕
Orbit: 20.4737 days
Distance: 663.711 pc

Planet profile

Orbit and physical properties

Orbital period: 20.4737 days
Semi-major axis: 0.14081 AU
Eccentricity: 0.102
Radius: 4.5 Earth radii
Mass: 50 Earth masses
Mass provenance: Mass
Density: 3.1 g/cm³
Equilibrium temperature: 530 K
Insolation: 15.9 Earth flux

Host system

Star and system properties

Host star: Kepler-247
Stars in system: 1
Known planets in system: 4
Spectral type: K
Stellar temperature: 5,094 K
Stellar radius: 0.791 R☉
Stellar mass: 0.884 M☉
Stellar metallicity: 0.21 dex
Stellar age: 2.14 Gyr
Distance: 663.711 parsecs
Right ascension: 19h14m34.21s
Declination: +43d02m21.76s

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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