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70 Vir b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/70 Vir b

Confirmed exoplanet · Gas Giant

70 Vir b

Orbiting 70 Vir

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 70 Vir b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 1,996
Method: Radial Velocity
Radius: 12.6 R⊕
Mass: 2,380.45 M⊕
Orbit: 116.688 days
Distance: 17.9011 pc

Planet profile

Orbit and physical properties

Orbital period: 116.688 days
Semi-major axis: 0.481 AU
Eccentricity: 0.3988
Radius: 12.6 Earth radii
Mass: 2,380.45 Earth masses
Mass provenance: Mass
Density: 6.54 g/cm³
Equilibrium temperature: 525.24 K
Insolation: 12.2183 Earth flux

Host system

Star and system properties

Host star: 70 Vir
Stars in system: 1
Known planets in system: 1
Spectral type: G5V
Stellar temperature: 5,495 K
Stellar radius: 1.89 R☉
Stellar mass: 1.09 M☉
Stellar metallicity: -0.09 dex
Stellar age: 7.77 Gyr
Distance: 17.9011 parsecs
Right ascension: 13h28m25.56s
Declination: +13d46m34.71s

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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