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Kepler-258 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-258 b

Confirmed exoplanet · Neptune Like

Kepler-258 b

Orbiting Kepler-258

Discovered in 2014 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-258 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Transit
Radius: 4.06 R⊕
Mass: 15.5 M⊕
Orbit: 13.19722 days
Distance: 575.988 pc

Planet profile

Orbit and physical properties

Orbital period: 13.19722 days
Semi-major axis: 0.103 AU
Eccentricity: 0
Radius: 4.06 Earth radii
Mass: 15.5 Earth masses
Mass provenance: M-R relationship
Density: 1.27 g/cm³
Equilibrium temperature: 642 K
Insolation: 27.791 Earth flux

Host system

Star and system properties

Host star: Kepler-258
Stars in system: 1
Known planets in system: 2
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,942 K
Stellar radius: 0.915 R☉
Stellar mass: 0.82 M☉
Stellar metallicity: 0.3031 dex
Stellar age: 13.7 Gyr
Distance: 575.988 parsecs
Right ascension: 19h36m16.42s
Declination: +46d34m44.89s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,014
Publication date: 2014-03
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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