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K2-4 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-4 b

Confirmed exoplanet · Super Earth

K2-4 b

Orbiting K2-4

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 K2-4 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Transit
Radius: 2.1 R⊕
Mass: 5.06 M⊕
Orbit: 10.003417 days
Distance: 231.828 pc

Planet profile

Orbit and physical properties

Orbital period: 10.003417 days
Semi-major axis: 0.078 AU
Eccentricity: 0.08
Radius: 2.1 Earth radii
Mass: 5.06 Earth masses
Mass provenance: M-R relationship
Density: 3 g/cm³
Equilibrium temperature: 563 K
Insolation: 15.6 Earth flux

Host system

Star and system properties

Host star: K2-4
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,014.73 K
Stellar radius: 0.569359 R☉
Stellar mass: 0.635026 M☉
Stellar metallicity: -0.12 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 231.828 parsecs
Right ascension: 11h38m58.93s
Declination: -03d54m20.07s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,015
Publication date: 2015-08
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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