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Kepler-42 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-42 b

Confirmed exoplanet · Terrestrial

Kepler-42 b

Orbiting Kepler-42

Discovered in 2011 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-42 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,011
Method: Transit
Radius: 0.78 R⊕
Mass: 0.705944 M⊕
Orbit: 1.213767 days
Distance: 40.0595 pc

Planet profile

Orbit and physical properties

Orbital period: 1.213767 days
Semi-major axis: 0.0116 AU
Eccentricity: 0.04
Radius: 0.78 Earth radii
Mass: 0.705944 Earth masses
Mass provenance: Mass
Density: 0.15 g/cm³
Equilibrium temperature: 519 K
Insolation: 22.388 Earth flux

Host system

Star and system properties

Host star: Kepler-42
Stars in system: 1
Known planets in system: 3
Spectral type: M
Stellar temperature: 3,068 K
Stellar radius: 0.17 R☉
Stellar mass: 0.13 M☉
Stellar metallicity: -0.33 dex
Stellar age: 4.5 Gyr
Distance: 40.0595 parsecs
Right ascension: 19h28m52.70s
Declination: +44d37m02.52s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,011
Publication date: 2012-03
Discovery locale: Space
Facility: Kepler
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from Kepler-42 b.

Generic terrestrial catalog artwork; not a direct image of Kepler-42 b — Apex Andromeda catalog artwork