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Kepler-1991 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-1991 b

Confirmed exoplanet · Terrestrial

Kepler-1991 b

Orbiting Kepler-1991

Discovered in 2023 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-1991 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Transit
Radius: 1.47 R⊕
Mass: 2.76 M⊕
Orbit: 13.260798 days
Distance: 855.82 pc

Planet profile

Orbit and physical properties

Orbital period: 13.260798 days
Semi-major axis: 0.1065 AU
Eccentricity: 0
Radius: 1.47 Earth radii
Mass: 2.76 Earth masses
Mass provenance: M-R relationship
Density: 4.77 g/cm³
Equilibrium temperature: 760 K
Insolation: 78.79 Earth flux

Host system

Star and system properties

Host star: Kepler-1991
Stars in system: 1
Known planets in system: 2
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,478 K
Stellar radius: 1.053 R☉
Stellar mass: 0.914 M☉
Stellar metallicity: 0.16 dex
Stellar age: 6.76 Gyr
Distance: 855.82 parsecs
Right ascension: 19h00m08.65s
Declination: +45d04m15.57s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,023
Publication date: 2023-07
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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