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Kepler-1821 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-1821 b

Confirmed exoplanet · Neptune Like

Kepler-1821 b

Orbiting Kepler-1821

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-1821 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Transit
Radius: 2.592481 R⊕
Mass: 7.24 M⊕
Orbit: 16.458099 days
Distance: 799.699 pc

Planet profile

Orbit and physical properties

Orbital period: 16.458099 days
Semi-major axis: 0.1244 AU
Eccentricity: 0
Radius: 2.592481 Earth radii
Mass: 7.24 Earth masses
Mass provenance: M-R relationship
Density: 2.28 g/cm³
Equilibrium temperature: 644 K
Insolation: 40.61 Earth flux

Host system

Star and system properties

Host star: Kepler-1821
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,475 K
Stellar radius: 0.884 R☉
Stellar mass: 0.946 M☉
Stellar metallicity: 0.14 dex
Stellar age: 0.4 Gyr
Distance: 799.699 parsecs
Right ascension: 19h38m06.11s
Declination: +49d52m20.94s

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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