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Kepler-81 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-81 d

Confirmed exoplanet · Terrestrial

Kepler-81 d

Orbiting Kepler-81

Discovered in 2014 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-81 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Transit
Radius: 1.21 R⊕
Mass: 1.92 M⊕
Orbit: 20.837846 days
Distance: 348.291 pc

Planet profile

Orbit and physical properties

Orbital period: 20.837846 days
Semi-major axis: 0.128 AU
Eccentricity: 0
Radius: 1.21 Earth radii
Mass: 1.92 Earth masses
Mass provenance: M-R relationship
Density: 5.96 g/cm³
Equilibrium temperature: 418 K
Insolation: 7.507 Earth flux

Host system

Star and system properties

Host star: Kepler-81
Stars in system: 1
Known planets in system: 3
Spectral type: M0 V
Stellar temperature: 4,500 K
Stellar radius: 0.595 R☉
Stellar mass: 0.648 M☉
Stellar metallicity: -0.18 dex
Stellar age: 3.63 Gyr
Distance: 348.291 parsecs
Right ascension: 19h34m32.87s
Declination: +42d49m29.38s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,014
Publication date: 2014-03
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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