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Kepler-1857 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-1857 b

Confirmed exoplanet · Super Earth

Kepler-1857 b

Orbiting Kepler-1857

Discovered in 2021 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of Kepler-1857 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Transit
Radius: 1.960654 R⊕
Mass: 4.5 M⊕
Orbit: 8.94341 days
Distance: 853.275 pc

Planet profile

Orbit and physical properties

Orbital period: 8.94341 days
Semi-major axis: 0.08308 AU
Eccentricity: 0
Radius: 1.960654 Earth radii
Mass: 4.5 Earth masses
Mass provenance: M-R relationship
Density: 3.28 g/cm³
Equilibrium temperature: 946 K
Insolation: 217.4 Earth flux

Host system

Star and system properties

Host star: Kepler-1857
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,074 K
Stellar radius: 1.005 R☉
Stellar mass: 0.873 M☉
Stellar metallicity: -0.54 dex
Stellar age: 7.94 Gyr
Distance: 853.275 parsecs
Right ascension: 19h45m49.37s
Declination: +39d35m54.73s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,021
Publication date: 2022-02
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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