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K2-390 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-390 b

Confirmed exoplanet · Neptune Like

K2-390 b

Orbiting K2-390

Discovered in 2022 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 K2-390 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Transit
Radius: 4.662 R⊕
Mass: 19.6 M⊕
Orbit: 3.312792 days
Distance: 456.122 pc

Planet profile

Orbit and physical properties

Orbital period: 3.312792 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 4.662 Earth radii
Mass: 19.6 Earth masses
Mass provenance: M-R relationship
Density: 1.06 g/cm³
Equilibrium temperature: 1,119 K
Insolation: 260.965 Earth flux

Host system

Star and system properties

Host star: K2-390
Stars in system: 1
Known planets in system: 1
Spectral type: G4
Stellar temperature: 5,558 K
Stellar radius: 0.966 R☉
Stellar mass: 0.789 M☉
Stellar metallicity: -0.116 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 456.122 parsecs
Right ascension: 23h42m48.57s
Declination: -09d35m19.36s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,022
Publication date: 2022-06
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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