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Kepler-122 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-122 d

Confirmed exoplanet · Super Earth

Kepler-122 d

Orbiting Kepler-122

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-122 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Transit
Radius: 2.2 R⊕
Mass: 5.48 M⊕
Orbit: 21.587475 days
Distance: 1,027.45 pc

Planet profile

Orbit and physical properties

Orbital period: 21.587475 days
Semi-major axis: 0.155 AU
Eccentricity: 0
Radius: 2.2 Earth radii
Mass: 5.48 Earth masses
Mass provenance: M-R relationship
Density: 2.83 g/cm³
Equilibrium temperature: 747 K
Insolation: 77.14 Earth flux

Host system

Star and system properties

Host star: Kepler-122
Stars in system: 1
Known planets in system: 5
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,050 K
Stellar radius: 1.216 R☉
Stellar mass: 0.982 M☉
Stellar metallicity: -0.08 dex
Stellar age: 7.94 Gyr
Distance: 1,027.45 parsecs
Right ascension: 19h24m26.85s
Declination: +39d56m56.49s

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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