CLASSIFIED
COSMOS 2549
Russian Military Satellite (Undisclosed) · Russian Ministry of Defence
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Cosmos 2549, a Russian military satellite whose function has never been officially disclosed — one more entry in a numbering system Russia has used since 1962 specifically so that neither its own public nor foreign intelligence services can infer what a given satellite does simply from its name.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 562–568 mi (904–915 km)
- Inclination
- 67.1°
- One orbit
- 103.0 minutes14.0 orbits a day
- NORAD ID
- 47546
- Int’l designator
- 2021-008A
- Launched
- 2021
Orbital elements from CelesTrak, as of 22 Sep 2026.
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