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HD 205158 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 205158 b

Confirmed exoplanet · Gas Giant

HD 205158 b

Orbiting HD 205158

Discovered in 2022 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 205158 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Radial Velocity
Radius: 13.9 R⊕
Mass: 124.588736 M⊕
Orbit: 25.33798 days
Distance: 86.6159 pc

Planet profile

Orbit and physical properties

Orbital period: 25.33798 days
Semi-major axis: 0.177 AU
Eccentricity: 0.145
Radius: 13.9 Earth radii
Mass: 124.588736 Earth masses
Mass provenance: Msini
Density: 0.255 g/cm³
Equilibrium temperature: 963.25 K
Insolation: 143.454 Earth flux

Host system

Star and system properties

Host star: HD 205158
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,133.55 K
Stellar radius: 1.87741 R☉
Stellar mass: 1.16 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 86.6159 parsecs
Right ascension: 21h35m40.47s
Declination: -59d41m35.93s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,022
Publication date: 2022-09
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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