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Gaia Astrometry Observatory

ESA’s Gaia astrometry observatory was launched on 19 December 2013 to map the positions, distances, motions, luminosities, temperatures, and compositions of stars and other objects; science observations ended on 15 January 2025 and spacecraft operations ended on 27 March 2025 in a heliocentric retirement orbit.

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Identity

Family Name
Gaia
Full Name
Gaia Astrometry Observatory
Roles
observatoryresearch
Status
retired
Type
spacecraft

Details

Description
ESA’s Gaia astrometry observatory was launched on 19 December 2013 to map the positions, distances, motions, luminosities, temperatures, and compositions of stars and other objects; science observations ended on 15 January 2025 and spacecraft operations ended on 27 March 2025 in a heliocentric retirement orbit.
First Flight Year
2,013
Last Flight Year
2,025

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Creation Time
August 12, 2026 at 19:00:22 UTC
Updated Time
August 14, 2026 at 04:41:34 UTC