5,446
Earth-from-space objects
Frozen Earth-observation census
The archive connects physical spacecraft to missions, instruments, product collections, documented outcomes, and responsible data authorities while preserving security, access, and declassification boundaries.
5,446
Earth-from-space objects
127
connected mission dossiers
459
instrument and payload records
127
mission data collections
1,168
public reconnaissance identities
60
source-backed outcome summaries
Meteorology, radio occultation, imaging, reconnaissance imaging, Earth science, geodesy, and public signals-intelligence classifications define the physical boundary.
Scenes, granules, swaths, product levels, versions, licenses, and access states remain authoritative in NASA, NOAA, USGS, Copernicus, EUMETSAT, JAXA, and ISRO archives.
Public reconnaissance identities stay visible as history. Capabilities, targets, operations, and unreleased products are never guessed from orbit, ownership, or naming patterns.
Review the space-object census, the astronomy archive, or return to methodology.