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K2-331 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-331 b

Confirmed exoplanet · Super Earth

K2-331 b

Orbiting K2-331

Discovered in 2021 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 K2-331 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Transit
Radius: 1.79 R⊕
Mass: 3.86 M⊕
Orbit: 9.398977 days
Distance: 211.43 pc

Planet profile

Orbit and physical properties

Orbital period: 9.398977 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 1.79 Earth radii
Mass: 3.86 Earth masses
Mass provenance: M-R relationship
Density: 3.7 g/cm³
Equilibrium temperature: 909 K
Insolation: Not reported by the NASA Exoplanet Archive

Host system

Star and system properties

Host star: K2-331
Stars in system: 1
Known planets in system: 2
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,994 K
Stellar radius: 1.06 R☉
Stellar mass: 1.1 M☉
Stellar metallicity: 0.08 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 211.43 parsecs
Right ascension: 08h50m57.03s
Declination: +13d10m12.97s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,021
Publication date: 2021-11
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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