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Kepler-289 e | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-289 e

Confirmed exoplanet · Neptune Like

Kepler-289 e

Orbiting Kepler-289

Discovered in 2025 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 Kepler-289 e — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Transit
Radius: 2.94 R⊕
Mass: 17.4 M⊕
Orbit: 330.0716 days
Distance: 704.438 pc

Planet profile

Orbit and physical properties

Orbital period: 330.0716 days
Semi-major axis: 0.9342 AU
Eccentricity: 0
Radius: 2.94 Earth radii
Mass: 17.4 Earth masses
Mass provenance: Mass
Density: 2.92 g/cm³
Equilibrium temperature: 286 K
Insolation: 1.58 Earth flux

Host system

Star and system properties

Host star: Kepler-289
Stars in system: 1
Known planets in system: 4
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,990 K
Stellar radius: 0.985 R☉
Stellar mass: 1.061 M☉
Stellar metallicity: -0.0098 dex
Stellar age: 0.65 Gyr
Distance: 704.438 parsecs
Right ascension: 19h49m51.68s
Declination: +42d52m58.27s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,025
Publication date: 2025-02
Discovery locale: Space
Facility: Kepler
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

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