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HD 99283 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 99283 b

Confirmed exoplanet · Gas Giant

HD 99283 b

Orbiting HD 99283

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 HD 99283 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 13.8 R⊕
Mass: 308.293555 M⊕
Orbit: 310.4 days
Distance: 111.093 pc

Planet profile

Orbit and physical properties

Orbital period: 310.4 days
Semi-major axis: 1.08 AU
Eccentricity: 0.2
Radius: 13.8 Earth radii
Mass: 308.293555 Earth masses
Mass provenance: Msini
Density: 0.645 g/cm³
Equilibrium temperature: 759.06 K
Insolation: 55.3069 Earth flux

Host system

Star and system properties

Host star: HD 99283
Stars in system: 1
Known planets in system: 1
Spectral type: K0 III
Stellar temperature: 4,886 K
Stellar radius: 11.21 R☉
Stellar mass: 1.76 M☉
Stellar metallicity: -0.16 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 111.093 parsecs
Right ascension: 11h25m56.98s
Declination: +55d51m02.40s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2022-02
Discovery locale: Ground
Facility: Okayama Astrophysical Observatory
Telescope: 1.88 m Telescope
Instrument: HIDES Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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