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HD 22496 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 22496 b

Confirmed exoplanet · Super Earth

HD 22496 b

Orbiting HD 22496

Discovered in 2021 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of HD 22496 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 2.22 R⊕
Mass: 5.57 M⊕
Orbit: 5.09071 days
Distance: 13.5956 pc

Planet profile

Orbit and physical properties

Orbital period: 5.09071 days
Semi-major axis: 0.051 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 2.22 Earth radii
Mass: 5.57 Earth masses
Mass provenance: Msini
Density: 2.8 g/cm³
Equilibrium temperature: 573 K
Insolation: 26 Earth flux

Host system

Star and system properties

Host star: HD 22496
Stars in system: 1
Known planets in system: 1
Spectral type: K5/M0V
Stellar temperature: 4,385 K
Stellar radius: 0.674 R☉
Stellar mass: 0.684 M☉
Stellar metallicity: -0.08 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 13.5956 parsecs
Right ascension: 03h35m01.57s
Declination: -48d25m04.14s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-10
Discovery locale: Ground
Facility: Paranal Observatory
Telescope: 8.2 m ESO VLT UT3 Melipal Telescope
Instrument: ESPRESSO
NASA Exoplanet Archive: Open composite record ↗

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