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K2-204 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-204 b

Confirmed exoplanet · Neptune Like

K2-204 b

Orbiting K2-204

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 K2-204 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Transit
Radius: 3.172142 R⊕
Mass: 10.2 M⊕
Orbit: 7.055908 days
Distance: 577.235 pc

Planet profile

Orbit and physical properties

Orbital period: 7.055908 days
Semi-major axis: 0.0738 AU
Eccentricity: 0.28
Radius: 3.172142 Earth radii
Mass: 10.2 Earth masses
Mass provenance: M-R relationship
Density: 1.76 g/cm³
Equilibrium temperature: 1,148 K
Insolation: 290.0978 Earth flux

Host system

Star and system properties

Host star: K2-204
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,783 K
Stellar radius: 1.253 R☉
Stellar mass: 1.076 M☉
Stellar metallicity: 0.21 dex
Stellar age: 6.5 Gyr
Distance: 577.235 parsecs
Right ascension: 01h09m31.80s
Declination: -00d31m03.91s

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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