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URL: https://celestrak.org/satcat/

⇱ CelesTrak: Satellite Catalog (SATCAT)



URGENT: We will run out of 5-digit catalog numbers at 69999 not 99999, which is estimated to occur around 2026‑07‑20 (we're currently at 68541). At that point, newly cataloged objects will have 6-digit catalog numbers of 100000+ and GP data will not be available for them using the TLE format. CelesTrak developed new formats that removed this limitation (and finally fixed the Y2K problem) in May 2020 and immediately began providing GP data in those formats for software developers. The same limitations apply to the legacy fixed-field SATCAT. Follow @TSKelso on Bluesky for the latest updates, tutorials, and changes as we approach this transition. Spread the word! ‑ TS

Satellite Catalog (SATCAT)

Current as of 2026 Apr 03 04:20:56 UTC (Day 094)


Latest Orbital Statistics for Earth Orbit

SATCAT data current as of 2026-04-03 04:20:56 UTC
18 SDS GP data current as of 2026-04-04 02:37:40 UTC
SupGP data current as of 2026-04-04 03:48:25 UTC

  Restricted LostTotal
Active Satellites14,931 3582415,313
Dead Satellites2,8026943 2,914
Rocket Bodies2,1796423 2,266
Debris10,0272112,30912,547
Unknown590463
All Objects*29,9987022,403 33,103

Search the SATCAT

SATCAT Format Documentation (CSV and Legacy Text)

Raw SATCAT Data (CSV, Legacy Text)

SATCAT Boxscore & SATCAT Growth

Analyst Satellite Catalog
(not included in SATCAT)

Launch Boxscore
By year and launch site

SATCAT Discrepancy Report
List of differences between Space Track and CelesTrak SATCATs