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K2-289 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-289 b

Confirmed exoplanet · Gas Giant

K2-289 b

Orbiting K2-289

Discovered in 2019 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of K2-289 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 9.1 R⊕
Mass: 61 M⊕
Orbit: 13.156969 days
Distance: 274.3 pc

Planet profile

Orbit and physical properties

Orbital period: 13.156969 days
Semi-major axis: 0.107 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 9.1 Earth radii
Mass: 61 Earth masses
Mass provenance: M-R relationship
Density: 0.445 g/cm³
Equilibrium temperature: 753 K
Insolation: 27.3178 Earth flux

Host system

Star and system properties

Host star: K2-289
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,529 K
Stellar radius: 1.025 R☉
Stellar mass: 0.953 M☉
Stellar metallicity: 0.162 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 274.3 parsecs
Right ascension: 16h26m34.31s
Declination: -15d47m33.14s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2019-03
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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