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HIP 34222 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HIP 34222 b

Confirmed exoplanet · Gas Giant

HIP 34222 b

Orbiting HIP 34222

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 HIP 34222 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 13.9 R⊕
Mass: 263.797578 M⊕
Orbit: 159.986 days
Distance: 22.8386 pc

Planet profile

Orbit and physical properties

Orbital period: 159.986 days
Semi-major axis: 0.492 AU
Eccentricity: 0.305
Radius: 13.9 Earth radii
Mass: 263.797578 Earth masses
Mass provenance: Msini
Density: 0.54 g/cm³
Equilibrium temperature: 218.98 K
Insolation: 0.3832 Earth flux

Host system

Star and system properties

Host star: HIP 34222
Stars in system: 1
Known planets in system: 1
Spectral type: K7 V
Stellar temperature: 4,050 K
Stellar radius: 0.6186 R☉
Stellar mass: 0.62 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 22.8386 parsecs
Right ascension: 07h05m42.19s
Declination: +27d28m13.49s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-11
Discovery locale: Ground
Facility: Cerro Tololo Inter-American Observatory
Telescope: 1.5 m SMARTS telescope
Instrument: CHIRON spectrometer
NASA Exoplanet Archive: Open composite record ↗

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