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HD 210702 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 210702 b

Confirmed exoplanet · Gas Giant

HD 210702 b

Orbiting HD 210702

Discovered in 2007 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 210702 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,007
Method: Radial Velocity
Radius: 13.6 R⊕
Mass: 481.510037 M⊕
Orbit: 355.5 days
Distance: 54.1963 pc

Planet profile

Orbit and physical properties

Orbital period: 355.5 days
Semi-major axis: 1.079 AU
Eccentricity: 0.071
Radius: 13.6 Earth radii
Mass: 481.510037 Earth masses
Mass provenance: Msini
Density: 1.05 g/cm³
Equilibrium temperature: 485.86 K
Insolation: 9.3194 Earth flux

Host system

Star and system properties

Host star: HD 210702
Stars in system: 1
Known planets in system: 1
Spectral type: K1 IV
Stellar temperature: 4,912 K
Stellar radius: 4.54 R☉
Stellar mass: 1.33 M☉
Stellar metallicity: -0.02 dex
Stellar age: 2.1 Gyr
Distance: 54.1963 parsecs
Right ascension: 22h11m51.33s
Declination: +16d02m25.73s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,007
Publication date: 2007-08
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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