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K2-3 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-3 b

Confirmed exoplanet · Super Earth

K2-3 b

Orbiting K2-3

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 K2-3 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Transit
Radius: 2.078 R⊕
Mass: 5.11 M⊕
Orbit: 10.054654 days
Distance: 44.0727 pc

Planet profile

Orbit and physical properties

Orbital period: 10.054654 days
Semi-major axis: 0.0747 AU
Eccentricity: 0.107
Radius: 2.078 Earth radii
Mass: 5.11 Earth masses
Mass provenance: Mass
Density: 3.11 g/cm³
Equilibrium temperature: 501.3 K
Insolation: 10.5 Earth flux

Host system

Star and system properties

Host star: K2-3
Stars in system: 1
Known planets in system: 3
Spectral type: M V
Stellar temperature: 3,844 K
Stellar radius: 0.546 R☉
Stellar mass: 0.549 M☉
Stellar metallicity: -0.157 dex
Stellar age: 6.9 Gyr
Distance: 44.0727 parsecs
Right ascension: 11h29m20.49s
Declination: -01d27m18.49s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,015
Publication date: 2015-05
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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