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HD 81040 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 81040 b

Confirmed exoplanet · Gas Giant

HD 81040 b

Orbiting HD 81040

Discovered in 2005 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 81040 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,005
Method: Radial Velocity
Radius: 12.6 R⊕
Mass: 2,301.077667 M⊕
Orbit: 1,002.7 days
Distance: 34.4341 pc

Planet profile

Orbit and physical properties

Orbital period: 1,002.7 days
Semi-major axis: 1.946 AU
Eccentricity: 0.525
Radius: 12.6 Earth radii
Mass: 2,301.077667 Earth masses
Mass provenance: Mass
Density: 6.32 g/cm³
Equilibrium temperature: 189.77 K
Insolation: 0.2213 Earth flux

Host system

Star and system properties

Host star: HD 81040
Stars in system: 1
Known planets in system: 1
Spectral type: G2/G3
Stellar temperature: 5,755 K
Stellar radius: 0.91 R☉
Stellar mass: 0.99 M☉
Stellar metallicity: -0.04 dex
Stellar age: 1.79 Gyr
Distance: 34.4341 parsecs
Right ascension: 09h23m46.92s
Declination: +20d21m52.59s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,005
Publication date: 2006-04
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 81040 b.

Generic gas giant catalog artwork; not a direct image of HD 81040 b — Apex Andromeda catalog artwork