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Kepler-857 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-857 b

Confirmed exoplanet · Gas Giant

Kepler-857 b

Orbiting Kepler-857

Discovered in 2016 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of Kepler-857 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Transit
Radius: 6.8 R⊕
Mass: 37.2 M⊕
Orbit: 85.351294 days
Distance: 983.502 pc

Planet profile

Orbit and physical properties

Orbital period: 85.351294 days
Semi-major axis: 0.3751 AU
Eccentricity: 0
Radius: 6.8 Earth radii
Mass: 37.2 Earth masses
Mass provenance: M-R relationship
Density: 0.65 g/cm³
Equilibrium temperature: 390 K
Insolation: 5.747 Earth flux

Host system

Star and system properties

Host star: Kepler-857
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,773 K
Stellar radius: 0.99 R☉
Stellar mass: 0.99 M☉
Stellar metallicity: 0.02 dex
Stellar age: 4.27 Gyr
Distance: 983.502 parsecs
Right ascension: 19h38m31.78s
Declination: +43d24m01.63s

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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