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K2-198 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-198 b

Confirmed exoplanet · Neptune Like

K2-198 b

Orbiting K2-198

Discovered in 2018 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 K2-198 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Transit
Radius: 4.189 R⊕
Mass: 16.3 M⊕
Orbit: 17.042868 days
Distance: 110.567 pc

Planet profile

Orbit and physical properties

Orbital period: 17.042868 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 4.189 Earth radii
Mass: 16.3 Earth masses
Mass provenance: M-R relationship
Density: 1.22 g/cm³
Equilibrium temperature: 715.8 K
Insolation: Not reported by the NASA Exoplanet Archive

Host system

Star and system properties

Host star: K2-198
Stars in system: 1
Known planets in system: 3
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,212.9 K
Stellar radius: 0.757 R☉
Stellar mass: 0.799 M☉
Stellar metallicity: 0.094 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 110.567 parsecs
Right ascension: 13h15m22.48s
Declination: -06d27m53.96s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,018
Publication date: 2018-03
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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