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Kepler-442 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-442 b

Confirmed exoplanet · Terrestrial

Kepler-442 b

Orbiting Kepler-442

Discovered in 2015 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic terrestrial catalog artwork; not a direct image of Kepler-442 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Transit
Radius: 1.34 R⊕
Mass: 2.36 M⊕
Orbit: 112.3053 days
Distance: 365.965 pc

Planet profile

Orbit and physical properties

Orbital period: 112.3053 days
Semi-major axis: 0.409 AU
Eccentricity: 0.04
Radius: 1.34 Earth radii
Mass: 2.36 Earth masses
Mass provenance: M-R relationship
Density: 5.39 g/cm³
Equilibrium temperature: 241 K
Insolation: 0.66 Earth flux

Host system

Star and system properties

Host star: Kepler-442
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,402 K
Stellar radius: 0.598 R☉
Stellar mass: 0.609 M☉
Stellar metallicity: -0.37 dex
Stellar age: 2.9 Gyr
Distance: 365.965 parsecs
Right ascension: 19h01m27.98s
Declination: +39d16m48.25s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,015
Publication date: 2015-02
Discovery locale: Space
Facility: Kepler
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

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