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HD 125136 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 125136 b

Confirmed exoplanet · Gas Giant

HD 125136 b

Orbiting HD 125136

Discovered in 2026 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 HD 125136 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Radial Velocity
Radius: 13.3 R⊕
Mass: 718.2922 M⊕
Orbit: 849.77 days
Distance: 121.257 pc

Planet profile

Orbit and physical properties

Orbital period: 849.77 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: 0.05
Radius: 13.3 Earth radii
Mass: 718.2922 Earth masses
Mass provenance: Msini
Density: 1.68 g/cm³
Equilibrium temperature: Not reported by the NASA Exoplanet Archive
Insolation: Not reported by the NASA Exoplanet Archive

Host system

Star and system properties

Host star: HD 125136
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,959 K
Stellar radius: 5.39 R☉
Stellar mass: 1.55 M☉
Stellar metallicity: 0.02 dex
Stellar age: 4.03 Gyr
Distance: 121.257 parsecs
Right ascension: 14h21m28.88s
Declination: -72d19m03.12s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,026
Publication date: 2026-08
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 1.2 m Leonhard Euler Telescope
Instrument: CORALIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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