COSMOS 2503
COSMOS 2503 is a military satellite, as listed in Jonathan McDowell's GCAT catalogue, with ownership listed as Russia in CelesTrak's catalogue, currently in low Earth orbit, around 542 km altitude. It completes one orbit of Earth roughly every 96 minutes at an inclination of 97.8°. It was launched in 2015. Track its live position and see when it passes over your location on azmth.
Orbital data
- NORAD ID
- 40420
- COSPAR ID
- 2015-009A
- Type
- Military
- Orbit
- LEO
- Perigee (lowest)
- 542 km
- Apogee (highest)
- 564 km
- Inclination
- 97.82°
- Orbital period
- 96 min
- Launch year
- 2015
- Owner (CelesTrak)
- Russia
Orbital data updated: 2026-10-18 · from CelesTrak, refreshed every 2 hours.
Who operates it
Independent assessment
GCAT classes it as a military satellite for optical imaging and records its mission as ended in about Jan 2022 (17 Oct 2026).
Data: GCAT · CC BY 4.0 Class, mission and status adapted from GCAT by Jonathan McDowell, CC BY 4.0, data update 17 Oct 2026.
About LEO orbit
Low Earth Orbit. Up to 2,000 km altitude. Where most satellites live including the ISS (~420 km), Starlink (~550 km), and Earth observation. Orbital period roughly 90 minutes.
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