Gaia-1 b

A confirmed exoplanet orbiting Gaia-1.

Compared with Earth

Size
About 14 times Earth's width.
Mass
About 534 times Earth's mass.
Year
A year here lasts about 3.1 Earth days.

Planet

Radius
13.78 × Earth
Mass
534 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
3.053 days
Average distance from its star
0.04047 AU

Star

Host star
Gaia-1
Spectral class
G — sun-like
Surface temperature
5,470 K
Radius
0.952 × Sun
Mass
0.949 × Sun
Age
Unknown

System

Distance from Earth
1,186 light-years (363.7 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2022
Method
Transit
Facility
European Space Agency (ESA) Gaia Satellite

Data from the NASA Exoplanet Archive, synced October 14, 2026.