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K2-389 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-389 b

Confirmed exoplanet · Super Earth

K2-389 b

Orbiting K2-389

Discovered in 2022 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of K2-389 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Transit
Radius: 2.33 R⊕
Mass: 6.04 M⊕
Orbit: 8.58289 days
Distance: 259.208 pc

Planet profile

Orbit and physical properties

Orbital period: 8.58289 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 2.33 Earth radii
Mass: 6.04 Earth masses
Mass provenance: M-R relationship
Density: 2.62 g/cm³
Equilibrium temperature: 932 K
Insolation: 179 Earth flux

Host system

Star and system properties

Host star: K2-389
Stars in system: 1
Known planets in system: 2
Spectral type: G3
Stellar temperature: 5,773 K
Stellar radius: 1.094 R☉
Stellar mass: 0.99 M☉
Stellar metallicity: 0.038 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 259.208 parsecs
Right ascension: 23h42m31.30s
Declination: -09d42m48.89s

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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