The Gaia space-observatory family represents ESA's Astrium-built astrometry spacecraft, which surveyed the sky from a Lissajous orbit around Sun-Earth L2 and ended spacecraft operations in a heliocentric retirement orbit in 2025.
Identity
Aliases
Gaia spacecraftESA billion-star surveyorGlobal Astrometric Interferometer for Astrophysics
Family Name
Gaia
Full Name
Gaia Space Observatory
Reusability
expendable
Slug
gaia-space-observatory
Status
retired
Type
spacecraft
Details
Description
The Gaia space-observatory family represents ESA's Astrium-built astrometry spacecraft, which surveyed the sky from a Lissajous orbit around Sun-Earth L2 and ended spacecraft operations in a heliocentric retirement orbit in 2025.