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17 Sco b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/17 Sco b

Confirmed exoplanet · Gas Giant

17 Sco b

Orbiting 17 Sco

Discovered in 2020 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 17 Sco b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,020
Method: Radial Velocity
Radius: 12.9 R⊕
Mass: 1,373.018718 M⊕
Orbit: 578.38 days
Distance: 124.953 pc

Planet profile

Orbit and physical properties

Orbital period: 578.38 days
Semi-major axis: 1.45 AU
Eccentricity: 0.06
Radius: 12.9 Earth radii
Mass: 1,373.018718 Earth masses
Mass provenance: Msini
Density: 3.51 g/cm³
Equilibrium temperature: 847.51 K
Insolation: 85.4316 Earth flux

Host system

Star and system properties

Host star: 17 Sco
Stars in system: 1
Known planets in system: 1
Spectral type: K3 III
Stellar temperature: 4,157 K
Stellar radius: 25.92 R☉
Stellar mass: 1.22 M☉
Stellar metallicity: -0.01 dex
Stellar age: 5.13 Gyr
Distance: 124.953 parsecs
Right ascension: 16h13m50.90s
Declination: -11d50m16.05s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,020
Publication date: 2020-12
Discovery locale: Ground
Facility: Lick Observatory
Telescope: Coude Auxiliary Telescope
Instrument: Hamilton Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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