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K2-73 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/K2-73 c

Confirmed exoplanet · Gas Giant

K2-73 c

Orbiting K2-73

Discovered in 2025 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 K2-73 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Radial Velocity
Radius: 13 R⊕
Mass: 1,142 M⊕
Orbit: 1,000 days
Distance: 269.183 pc

Planet profile

Orbit and physical properties

Orbital period: 1,000 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 13 Earth radii
Mass: 1,142 Earth masses
Mass provenance: Msini
Density: 2.86 g/cm³
Equilibrium temperature: 186.1 K
Insolation: 0.285 Earth flux

Host system

Star and system properties

Host star: K2-73
Stars in system: 1
Known planets in system: 2
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,867 K
Stellar radius: 1.058 R☉
Stellar mass: 1.02 M☉
Stellar metallicity: 0.04 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 269.183 parsecs
Right ascension: 22h20m06.16s
Declination: -09d03m21.92s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,025
Publication date: 2025-06
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from K2-73 c.

Generic gas giant catalog artwork; not a direct image of K2-73 c — Apex Andromeda catalog artwork