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HD 126105 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 126105 b

Confirmed exoplanet · Gas Giant

HD 126105 b

Orbiting HD 126105

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 126105 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Radial Velocity
Radius: 13.5 R⊕
Mass: 530.77344 M⊕
Orbit: 524 days
Distance: 82.8811 pc

Planet profile

Orbit and physical properties

Orbital period: 524 days
Semi-major axis: 1.36 AU
Eccentricity: 0.103
Radius: 13.5 Earth radii
Mass: 530.77344 Earth masses
Mass provenance: Msini
Density: 1.19 g/cm³
Equilibrium temperature: 413.6 K
Insolation: 4.8659 Earth flux

Host system

Star and system properties

Host star: HD 126105
Stars in system: 1
Known planets in system: 1
Spectral type: K1 III
Stellar temperature: 4,875 K
Stellar radius: 4.21 R☉
Stellar mass: 1.2 M☉
Stellar metallicity: 0 dex
Stellar age: 4.9 Gyr
Distance: 82.8811 parsecs
Right ascension: 14h24m00.40s
Declination: -19d48m03.95s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,026
Publication date: 2026-07
Discovery locale: Ground
Facility: Multiple Facilities
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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