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47 UMa b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/47 UMa b

Confirmed exoplanet · Gas Giant

47 UMa b

Orbiting 47 UMa

Discovered in 1996 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 47 UMa b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 1,996
Method: Radial Velocity
Radius: 13.2 R⊕
Mass: 804.08 M⊕
Orbit: 1,078 days
Distance: 13.7967 pc

Planet profile

Orbit and physical properties

Orbital period: 1,078 days
Semi-major axis: 2.1 AU
Eccentricity: 0.032
Radius: 13.2 Earth radii
Mass: 804.08 Earth masses
Mass provenance: Msini
Density: 1.92 g/cm³
Equilibrium temperature: 215.23 K
Insolation: 0.3576 Earth flux

Host system

Star and system properties

Host star: 47 UMa
Stars in system: 1
Known planets in system: 3
Spectral type: G0V
Stellar temperature: 5,872 K
Stellar radius: 1.21334 R☉
Stellar mass: 1.06 M☉
Stellar metallicity: 0.04 dex
Stellar age: 6.48 Gyr
Distance: 13.7967 parsecs
Right ascension: 10h59m27.54s
Declination: +40d25m49.78s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 1,996
Publication date: 1996-06
Discovery locale: Ground
Facility: Lick Observatory
Telescope: 3.0 m C. Donald Shane Telescope
Instrument: Hamilton Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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