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Kepler-22 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-22 b

Confirmed exoplanet · Super Earth

Kepler-22 b

Orbiting Kepler-22

Discovered in 2011 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-22 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,011
Method: Transit
Radius: 2.1 R⊕
Mass: 9.1 M⊕
Orbit: 289.863876 days
Distance: 194.642 pc

Planet profile

Orbit and physical properties

Orbital period: 289.863876 days
Semi-major axis: 0.812 AU
Eccentricity: 0.72
Radius: 2.1 Earth radii
Mass: 9.1 Earth masses
Mass provenance: Mass
Density: 5.2 g/cm³
Equilibrium temperature: 279 K
Insolation: 1.013 Earth flux

Host system

Star and system properties

Host star: Kepler-22
Stars in system: 1
Known planets in system: 1
Spectral type: G5 V
Stellar temperature: 5,596 K
Stellar radius: 0.869 R☉
Stellar mass: 0.857 M☉
Stellar metallicity: -0.255 dex
Stellar age: 7 Gyr
Distance: 194.642 parsecs
Right ascension: 19h16m52.13s
Declination: +47d53m02.91s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,011
Publication date: 2012-02
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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