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Kepler-139 e | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-139 e

Confirmed exoplanet · Gas Giant

Kepler-139 e

Orbiting Kepler-139

Discovered in 2023 using Radial Velocity. 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 Kepler-139 e — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Radial Velocity
Radius: 13.7 R⊕
Mass: 378 M⊕
Orbit: 2,047.635373 days
Distance: 391.038 pc

Planet profile

Orbit and physical properties

Orbital period: 2,047.635373 days
Semi-major axis: 3.235796 AU
Eccentricity: 0.013121
Radius: 13.7 Earth radii
Mass: 378 Earth masses
Mass provenance: Mass
Density: 0.808 g/cm³
Equilibrium temperature: 154.06 K
Insolation: 0.0991 Earth flux

Host system

Star and system properties

Host star: Kepler-139
Stars in system: 1
Known planets in system: 5
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,622 K
Stellar radius: 1.045 R☉
Stellar mass: 1.078 M☉
Stellar metallicity: 0.35 dex
Stellar age: 5.1 Gyr
Distance: 391.038 parsecs
Right ascension: 18h49m34.07s
Declination: +43d53m21.90s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,023
Publication date: 2024-01
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from Kepler-139 e.

Generic gas giant catalog artwork; not a direct image of Kepler-139 e — Apex Andromeda catalog artwork