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WASP-102 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/WASP-102 b

Confirmed exoplanet · Gas Giant

WASP-102 b

Orbiting WASP-102

Discovered in 2025 using Transit. 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 WASP-102 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Transit
Radius: 14.907944 R⊕
Mass: 197.689269 M⊕
Orbit: 2.709813 days
Distance: 535.689 pc

Planet profile

Orbit and physical properties

Orbital period: 2.709813 days
Semi-major axis: 0.041 AU
Eccentricity: 0
Radius: 14.907944 Earth radii
Mass: 197.689269 Earth masses
Mass provenance: Mass
Density: 0.32 g/cm³
Equilibrium temperature: 1,671 K
Insolation: 1,293 Earth flux

Host system

Star and system properties

Host star: WASP-102
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,990 K
Stellar radius: 1.375 R☉
Stellar mass: 1.08 M☉
Stellar metallicity: -0.2 dex
Stellar age: 0.67 Gyr
Distance: 535.689 parsecs
Right ascension: 22h25m51.43s
Declination: +15d51m23.90s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,025
Publication date: 2025-06
Discovery locale: Ground
Facility: SuperWASP
Telescope: Canon 200mm f/1.8L
Instrument: e2v CCD Camera
NASA Exoplanet Archive: Open composite record ↗

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