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HD 73256 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 73256 c

Confirmed exoplanet · Gas Giant

HD 73256 c

Orbiting HD 73256

Discovered in 2023 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 73256 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Radial Velocity
Radius: 12.2 R⊕
Mass: 5,085.254512 M⊕
Orbit: 2,690 days
Distance: 36.708 pc

Planet profile

Orbit and physical properties

Orbital period: 2,690 days
Semi-major axis: 3.8 AU
Eccentricity: 0.16
Radius: 12.2 Earth radii
Mass: 5,085.254512 Earth masses
Mass provenance: Mass
Density: 15.4 g/cm³
Equilibrium temperature: 133.92 K
Insolation: 0.0511 Earth flux

Host system

Star and system properties

Host star: HD 73256
Stars in system: 1
Known planets in system: 1
Spectral type: G8 IV
Stellar temperature: 5,570 K
Stellar radius: 0.944723 R☉
Stellar mass: 1 M☉
Stellar metallicity: 0.29 dex
Stellar age: 2.2 Gyr
Distance: 36.708 parsecs
Right ascension: 08h36m22.80s
Declination: -30d02m14.40s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,023
Publication date: 2023-10
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 73256 c.

Generic gas giant catalog artwork; not a direct image of HD 73256 c — Apex Andromeda catalog artwork