Gaia-5 b
Orbiting Gaia-5
Gaia-5 b is an exoplanet orbiting the star Gaia-5, discovered in 2025 using the Astrometry method.
Mass
6633.08
Earth masses
Orbital Period
358.6
days
Distance
41.2
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
6633.08
Measured
Equilibrium Temperature
Unknown
Parameter source: Stefánsson et al. 2025
Orbital Period
358.620+0.200−0.200days
Planet Mass (Earth masses)
6633.08+168.45−165.27
Planet Mass (Jupiter masses)
20.8700+0.5300−0.5200
Eccentricity
0.6423+0.0026−0.0026
Epoch of Periastron
2457428.50+1.60−1.60days(BJD-TDB)
Argument of Periastron
271.5+0.6−0.6deg
Radial Velocity Semi-Amplitude
1177.70+8.80−8.80m/s
Distance from Earth
41.2 pc (~134 ly)
Spectral Type
Unknown
Temperature
3447 K
Mass (Solar)
0.34 M☉
Radius (Solar)
0.34 R☉
Luminosity
-1.83 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
302.0408°, 41.9415°
Discovery Method
Astrometry
Discovery Year
2025
Source ID: Gaia-5 b
Gaia-5 b orbits Gaia-5 and was reported in 2025 and was detected with the Astrometry method.
Published measurements list a mass of 6,633.08 Earth masses and an orbital period of 358.62 days.
Catalog data places the system at about 41.2 parsecs from Earth and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open Gaia-5