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K2-357 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-357 b

Confirmed exoplanet · Neptune Like

K2-357 b

Orbiting K2-357

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 K2-357 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Transit
Radius: 3.72 R⊕
Mass: 13.4 M⊕
Orbit: 16.348864 days
Distance: 517.687 pc

Planet profile

Orbit and physical properties

Orbital period: 16.348864 days
Semi-major axis: 0.145 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 3.72 Earth radii
Mass: 13.4 Earth masses
Mass provenance: M-R relationship
Density: 1.43 g/cm³
Equilibrium temperature: 735 K
Insolation: 40.8918 Earth flux

Host system

Star and system properties

Host star: K2-357
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,794 K
Stellar radius: 1 R☉
Stellar mass: 0.98 M☉
Stellar metallicity: -0.02 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 517.687 parsecs
Right ascension: 08h47m45.28s
Declination: +16d19m44.09s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,021
Publication date: 2022-01
Discovery locale: Space
Facility: K2
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

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