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HD 98736 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 98736 b

Confirmed exoplanet · Gas Giant

HD 98736 b

Orbiting HD 98736

Discovered in 2018 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 98736 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Radial Velocity
Radius: 13.3 R⊕
Mass: 740.5439 M⊕
Orbit: 968.8 days
Distance: 32.4459 pc

Planet profile

Orbit and physical properties

Orbital period: 968.8 days
Semi-major axis: 1.864 AU
Eccentricity: 0.226
Radius: 13.3 Earth radii
Mass: 740.5439 Earth masses
Mass provenance: Msini
Density: 1.73 g/cm³
Equilibrium temperature: 179.53 K
Insolation: 0.1734 Earth flux

Host system

Star and system properties

Host star: HD 98736
Stars in system: 2
Known planets in system: 1
Spectral type: G5
Stellar temperature: 5,271 K
Stellar radius: 0.93 R☉
Stellar mass: 0.92 M☉
Stellar metallicity: 0.36 dex
Stellar age: 7.39 Gyr
Distance: 32.4459 parsecs
Right ascension: 11h21m49.18s
Declination: +18d11m22.59s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,018
Publication date: 2018-11
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

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