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Kepler-1921 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-1921 b

Confirmed exoplanet · Neptune Like

Kepler-1921 b

Orbiting Kepler-1921

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

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of Kepler-1921 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Transit
Radius: 2.894595 R⊕
Mass: 8.72 M⊕
Orbit: 20.0348 days
Distance: 928.989 pc

Planet profile

Orbit and physical properties

Orbital period: 20.0348 days
Semi-major axis: 0.15865 AU
Eccentricity: 0
Radius: 2.894595 Earth radii
Mass: 8.72 Earth masses
Mass provenance: M-R relationship
Density: 1.98 g/cm³
Equilibrium temperature: 967 K
Insolation: 216.2 Earth flux

Host system

Star and system properties

Host star: Kepler-1921
Stars in system: 1
Known planets in system: 2
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,120 K
Stellar radius: 2 R☉
Stellar mass: 1.251 M☉
Stellar metallicity: 0.02 dex
Stellar age: 3.39 Gyr
Distance: 928.989 parsecs
Right ascension: 20h01m15.88s
Declination: +45d29m43.18s

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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