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K2-118 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-118 b

Confirmed exoplanet · Neptune Like

K2-118 b

Orbiting K2-118

Discovered in 2017 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 K2-118 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,017
Method: Transit
Radius: 2.54 R⊕
Mass: 6.99 M⊕
Orbit: 50.92092 days
Distance: 321.722 pc

Planet profile

Orbit and physical properties

Orbital period: 50.92092 days
Semi-major axis: 0.245 AU
Eccentricity: 0.2
Radius: 2.54 Earth radii
Mass: 6.99 Earth masses
Mass provenance: M-R relationship
Density: 2.34 g/cm³
Equilibrium temperature: 394.64 K
Insolation: 4.3 Earth flux

Host system

Star and system properties

Host star: K2-118
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,726.29 K
Stellar radius: 0.734626 R☉
Stellar mass: 0.756446 M☉
Stellar metallicity: 0.129 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 321.722 parsecs
Right ascension: 08h48m30.45s
Declination: +15d39m21.23s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,017
Publication date: 2017-11
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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