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TLE-derived snapshot
Alerts 0
Objects Tracked15,831Active SignalsNo active signalsCritical AnomaliesNo critical anomaliesNew Objects 7d0TLE Last Updated2026-06-19 11:00 UTC
TLE SourceCelesTrak Active Satellites
Cadence

Satellites Launched by Year

Yearly launch cadence built from launch metadata and designator inference, with fallback rows kept separate when coverage is sparse.

Cadence Curve

No yearly launch data available

Yearly chart will appear as launch metadata coverage expands.

Launch Rows

No launch metadata rows

Launch-date and designator-derived years are not yet available.

Fallback Rows

No fallback rows

No fallback first-seen rows are currently required for this dataset.

Data source: ISN Orbital Index. Aggregations based on tracked objects, classifications, and observed changes in Earth orbit.
Methodology: /methodology
Last updated: Awaiting data
Why it matters: Launch cadence is a proxy for industrial throughput, orbital growth pressure, and long-run infrastructure scaling.
SRC ISN AGGREGATIONAwaiting data

Cite this page

ISN Orbital Index. "Satellites Launched by Year." Independent Space News. Accessed 2026-06-19. /stats/satellites-launched-by-year
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SRC CITATION ENGINE2026-06-19
Launch metadata is sparse. Fallback first-seen year counts are shown separately for transparency.