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51 Eri b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/51 Eri b

Confirmed exoplanet · Gas Giant

51 Eri b

Orbiting 51 Eri

Discovered in 2015 using Imaging. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

51 Eri b (NIRcam image), an official ESA/Webb exoplanet image or artist concept — Sourced object or system artworkNASA, ESA, CSA, STScI, W. Balmer (JHU), L. Pueyo (STScI), M. Perrin (STScI)

Discovery: 2,015
Method: Imaging
Radius: Not reported by the NASA Exoplanet Archive
Mass: 3,464.329636 M⊕
Orbit: 9,100 days
Distance: 29.7575 pc

Planet profile

Orbit and physical properties

Orbital period: 9,100 days
Semi-major axis: 10.4 AU
Eccentricity: 0.57
Radius: Not reported by the NASA Exoplanet Archive
Mass: 3,464.329636 Earth masses
Mass provenance: Mass
Density: Not reported by the NASA Exoplanet Archive
Equilibrium temperature: 807 K
Insolation: 0.0529 Earth flux

Host system

Star and system properties

Host star: 51 Eri
Stars in system: 3
Known planets in system: 1
Spectral type: F0 IV
Stellar temperature: 7,422 K
Stellar radius: 1.45 R☉
Stellar mass: 1.75 M☉
Stellar metallicity: 0.13 dex
Stellar age: 0.0232 Gyr
Distance: 29.7575 parsecs
Right ascension: 04h37m36.18s
Declination: -02d28m25.77s

Discovery

Detection and provenance

Discovery method: Imaging
Discovery year: 2,015
Publication date: 2015-00
Discovery locale: Ground
Facility: Gemini Observatory
Telescope: 8.19 m Gemini South Telescope
Instrument: Gemini Planet Imager
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from 51 Eri b.

51 Eri b (NIRcam image), an official ESA/Webb exoplanet image or artist concept — NASA, ESA, CSA, STScI, W. Balmer (JHU), L. Pueyo (STScI), M. Perrin (STScI)Source ↗