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HIP 90988 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HIP 90988 b

Confirmed exoplanet · Gas Giant

HIP 90988 b

Orbiting HIP 90988

Discovered in 2021 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 HIP 90988 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 13.4 R⊕
Mass: 668.075312 M⊕
Orbit: 455.73816 days
Distance: 94.0349 pc

Planet profile

Orbit and physical properties

Orbital period: 455.73816 days
Semi-major axis: 1.36 AU
Eccentricity: 0.081
Radius: 13.4 Earth radii
Mass: 668.075312 Earth masses
Mass provenance: Msini
Density: 1.53 g/cm³
Equilibrium temperature: 400.77 K
Insolation: 4.1955 Earth flux

Host system

Star and system properties

Host star: HIP 90988
Stars in system: 1
Known planets in system: 1
Spectral type: K1 III
Stellar temperature: 4,883 K
Stellar radius: 3.94 R☉
Stellar mass: 1.613 M☉
Stellar metallicity: 0.17 dex
Stellar age: 4.55 Gyr
Distance: 94.0349 parsecs
Right ascension: 18h33m33.43s
Declination: -50d12m42.09s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-02
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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