The exact Gaia observatory launched on Soyuz ST-B/Fregat-MT flight VS06, completed more than three trillion observations of nearly two billion objects from Sun-Earth L2, and was passivated in a heliocentric retirement orbit on March 27, 2025.
Identity
Aliases
Gaia spacecraftESA GaiaESA billion-star surveyor
Name
Gaia Space Observatory
Slug
gaia-space-observatory
Status
retired
Details
Description
The exact Gaia observatory launched on Soyuz ST-B/Fregat-MT flight VS06, completed more than three trillion observations of nearly two billion objects from Sun-Earth L2, and was passivated in a heliocentric retirement orbit on March 27, 2025.