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K2-22 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-22 b

Confirmed exoplanet · Super Earth

K2-22 b

Orbiting K2-22

Discovered in 2015 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 K2-22 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Transit
Radius: 2.3 R⊕
Mass: 444.962 M⊕
Orbit: 0.381073 days
Distance: 243.836 pc

Planet profile

Orbit and physical properties

Orbital period: 0.381073 days
Semi-major axis: 0.009 AU
Eccentricity: 0.19
Radius: 2.3 Earth radii
Mass: 444.962 Earth masses
Mass provenance: Mass
Density: Not reported by the NASA Exoplanet Archive
Equilibrium temperature: 2,100 K
Insolation: 114 Earth flux

Host system

Star and system properties

Host star: K2-22
Stars in system: 2
Known planets in system: 1
Spectral type: M0 V
Stellar temperature: 3,879 K
Stellar radius: 0.58 R☉
Stellar mass: 0.595292 M☉
Stellar metallicity: 0.032 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 243.836 parsecs
Right ascension: 11h17m55.85s
Declination: +02d37m08.53s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,015
Publication date: 2015-10
Discovery locale: Space
Facility: K2
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

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