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Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

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HD 202206 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 202206 b

Confirmed exoplanet · Gas Giant

HD 202206 b

Orbiting HD 202206

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 202206 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Radial Velocity
Radius: 12.1 R⊕
Mass: 6,849.202171 M⊕
Orbit: 256.26 days
Distance: 45.9665 pc

Planet profile

Orbit and physical properties

Orbital period: 256.26 days
Semi-major axis: 0.81 AU
Eccentricity: 0.426
Radius: 12.1 Earth radii
Mass: 6,849.202171 Earth masses
Mass provenance: Mass
Density: 21.2 g/cm³
Equilibrium temperature: 314.96 K
Insolation: 1.6613 Earth flux

Host system

Star and system properties

Host star: HD 202206
Stars in system: 1
Known planets in system: 2
Spectral type: G2 V
Stellar temperature: 5,764.23 K
Stellar radius: 1.04 R☉
Stellar mass: 1.06 M☉
Stellar metallicity: 0.23 dex
Stellar age: 3.94 Gyr
Distance: 45.9665 parsecs
Right ascension: 21h14m57.73s
Declination: -20d47m23.02s

Discovery

Detection and provenance

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

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