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Kepler-129 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-129 d

Confirmed exoplanet · Gas Giant

Kepler-129 d

Orbiting Kepler-129

Discovered in 2021 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-129 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 12.6 R⊕
Mass: 2,637.975778 M⊕
Orbit: 2,646 days
Distance: 408.845 pc

Planet profile

Orbit and physical properties

Orbital period: 2,646 days
Semi-major axis: 4 AU
Eccentricity: 0.15
Radius: 12.6 Earth radii
Mass: 2,637.975778 Earth masses
Mass provenance: Msini
Density: 7.25 g/cm³
Equilibrium temperature: 178.86 K
Insolation: 0.1818 Earth flux

Host system

Star and system properties

Host star: Kepler-129
Stars in system: 1
Known planets in system: 3
Spectral type: G4 V
Stellar temperature: 5,770 K
Stellar radius: 1.653 R☉
Stellar mass: 1.178 M☉
Stellar metallicity: 0.29 dex
Stellar age: 6.43 Gyr
Distance: 408.845 parsecs
Right ascension: 19h01m14.68s
Declination: +47d50m54.52s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-09
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

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