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K2-218 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-218 b

Confirmed exoplanet · Neptune Like

K2-218 b

Orbiting K2-218

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 K2-218 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Transit
Radius: 2.569481 R⊕
Mass: 7.13 M⊕
Orbit: 8.679885 days
Distance: 394.083 pc

Planet profile

Orbit and physical properties

Orbital period: 8.679885 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 2.569481 Earth radii
Mass: 7.13 Earth masses
Mass provenance: M-R relationship
Density: 2.31 g/cm³
Equilibrium temperature: Not reported by the NASA Exoplanet Archive
Insolation: Not reported by the NASA Exoplanet Archive

Host system

Star and system properties

Host star: K2-218
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,757 K
Stellar radius: 1.008231 R☉
Stellar mass: 1.047488 M☉
Stellar metallicity: 0.25 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 394.083 parsecs
Right ascension: 00h51m14.31s
Declination: +06d50m47.16s

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 ↗

Visual archive

Gallery

One image from K2-218 b.

Generic neptune like catalog artwork; not a direct image of K2-218 b — Apex Andromeda catalog artwork