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Kepler-1757 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-1757 b

Confirmed exoplanet · Neptune Like

Kepler-1757 b

Orbiting Kepler-1757

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-1757 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Transit
Radius: 2.946603 R⊕
Mass: 8.99 M⊕
Orbit: 19.656401 days
Distance: 807.308 pc

Planet profile

Orbit and physical properties

Orbital period: 19.656401 days
Semi-major axis: 0.1335 AU
Eccentricity: 0
Radius: 2.946603 Earth radii
Mass: 8.99 Earth masses
Mass provenance: M-R relationship
Density: 1.93 g/cm³
Equilibrium temperature: 549 K
Insolation: 21.5 Earth flux

Host system

Star and system properties

Host star: Kepler-1757
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,288 K
Stellar radius: 0.74 R☉
Stellar mass: 0.828 M☉
Stellar metallicity: -0.24 dex
Stellar age: 0.7 Gyr
Distance: 807.308 parsecs
Right ascension: 19h50m57.55s
Declination: +46d56m30.82s

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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