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KMT-2021-BLG-1689L b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/KMT-2021-BLG-1689L b

Confirmed exoplanet · Gas Giant

KMT-2021-BLG-1689L b

Orbiting KMT-2021-BLG-1689L

Discovered in 2022 using Microlensing. 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 KMT-2021-BLG-1689L b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Microlensing
Radius: 7.71 R⊕
Mass: 46 M⊕
Orbit: Not reported by the NASA Exoplanet Archive
Distance: 7,200 pc

Planet profile

Orbit and physical properties

Orbital period: Not reported by the NASA Exoplanet Archive
Semi-major axis: 2.5 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 7.71 Earth radii
Mass: 46 Earth masses
Mass provenance: Mass
Density: 0.552 g/cm³
Equilibrium temperature: Not reported by the NASA Exoplanet Archive
Insolation: Not reported by the NASA Exoplanet Archive

Host system

Star and system properties

Host star: KMT-2021-BLG-1689L
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,570 K
Stellar radius: Not reported by the NASA Exoplanet Archive
Stellar mass: 0.58 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 7,200 parsecs
Right ascension: 17h58m19.0s
Declination: -30d08m43s

Discovery

Detection and provenance

Discovery method: Microlensing
Discovery year: 2,022
Publication date: 2022-10
Discovery locale: Ground
Facility: KMTNet
Telescope: 1.6 m wide-field telescope
Instrument: 18k Mosaic CCD camera
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from KMT-2021-BLG-1689L b.

Generic gas giant catalog artwork; not a direct image of KMT-2021-BLG-1689L b — Apex Andromeda catalog artwork