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Kepler-821 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-821 b

Confirmed exoplanet · Terrestrial

Kepler-821 b

Orbiting Kepler-821

Discovered in 2016 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-821 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Transit
Radius: 1.31 R⊕
Mass: 2.27 M⊕
Orbit: 1.922799 days
Distance: 614.571 pc

Planet profile

Orbit and physical properties

Orbital period: 1.922799 days
Semi-major axis: 0.029 AU
Eccentricity: 0
Radius: 1.31 Earth radii
Mass: 2.27 Earth masses
Mass provenance: M-R relationship
Density: 5.55 g/cm³
Equilibrium temperature: 1,215 K
Insolation: 496.82 Earth flux

Host system

Star and system properties

Host star: Kepler-821
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,191 K
Stellar radius: 0.8 R☉
Stellar mass: 0.84 M☉
Stellar metallicity: -0.03 dex
Stellar age: 4.79 Gyr
Distance: 614.571 parsecs
Right ascension: 19h02m28.17s
Declination: +39d22m46.09s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,016
Publication date: 2016-05
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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