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HD 158259 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 158259 b

Confirmed exoplanet · Terrestrial

HD 158259 b

Orbiting HD 158259

Discovered in 2020 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic terrestrial catalog artwork; not a direct image of HD 158259 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,020
Method: Radial Velocity
Radius: 1.28228 R⊕
Mass: 2.22 M⊕
Orbit: 2.178 days
Distance: 27.0498 pc

Planet profile

Orbit and physical properties

Orbital period: 2.178 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 1.28228 Earth radii
Mass: 2.22 Earth masses
Mass provenance: Msini
Density: 6.12 g/cm³
Equilibrium temperature: 1,462 K
Insolation: 759.183 Earth flux

Host system

Star and system properties

Host star: HD 158259
Stars in system: 1
Known planets in system: 5
Spectral type: G0
Stellar temperature: 5,801.89 K
Stellar radius: 1.21 R☉
Stellar mass: 1.08 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 27.0498 parsecs
Right ascension: 17h25m23.90s
Declination: +52d47m25.70s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,020
Publication date: 2020-04
Discovery locale: Ground
Facility: Haute-Provence Observatory
Telescope: 1.93 m Telescope
Instrument: SOPHIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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