CLASSIFIED
COSMOS 2503
Russian Military Satellite (Undisclosed) · Russian Ministry of Defence
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Cosmos 2503, a Russian military satellite whose undisclosed mission continues Russia's long tradition of giving classified spacecraft numbered Cosmos designations that reveal nothing about their actual purpose.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 336–348 mi (540–560 km)
- Inclination
- 97.8°
- One orbit
- 95.5 minutes15.1 orbits a day
- NORAD ID
- 40420
- Int’l designator
- 2015-009A
- Launched
- 2015
Orbital elements from CelesTrak, as of 22 Sep 2026.
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