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K2-254 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-254 b

Confirmed exoplanet · Super Earth

K2-254 b

Orbiting K2-254

Discovered in 2018 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 K2-254 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Transit
Radius: 1.63 R⊕
Mass: 3.29 M⊕
Orbit: 4.09639 days
Distance: 227.775 pc

Planet profile

Orbit and physical properties

Orbital period: 4.09639 days
Semi-major axis: 0.0448 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 1.63 Earth radii
Mass: 3.29 Earth masses
Mass provenance: M-R relationship
Density: 4.17 g/cm³
Equilibrium temperature: 791 K
Insolation: 74.9905 Earth flux

Host system

Star and system properties

Host star: K2-254
Stars in system: 1
Known planets in system: 2
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,629 K
Stellar radius: 0.67 R☉
Stellar mass: 0.71 M☉
Stellar metallicity: -0.14 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 227.775 parsecs
Right ascension: 12h22m12.19s
Declination: -04d43m02.25s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,018
Publication date: 2018-08
Discovery locale: Space
Facility: K2
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from K2-254 b.

Generic super earth catalog artwork; not a direct image of K2-254 b — Apex Andromeda catalog artwork