COSMOS 2552 (EKS 5)

MilitaryHEOMolniyaRussia

COSMOS 2552 (EKS 5) is a military satellite, as listed in Jonathan McDowell's GCAT catalogue, with ownership listed as Russia in CelesTrak's catalogue, currently in a highly elliptical orbit ranging from 3,203 km to 37,175 km. It completes one orbit of Earth roughly every 718 minutes at an inclination of 62.8°. It was launched in 2021. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID: 49503
COSPAR ID: 2021-113A
Type: Military
Orbit: HEO
Perigee (lowest): 3,203 km
Apogee (highest): 37,175 km
Inclination: 62.82°
Orbital period: 718 min
Launch year: 2021
Owner (CelesTrak): Russia

Orbital data updated: 2026-10-18 · from CelesTrak, refreshed every 2 hours.

Who operates it

RussiaLIVEActive

Missile warning

Independent assessment

GCAT classes it as a military satellite for missile warning and records it as active (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.

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About HEO orbit

Highly Elliptical Orbit. An elongated orbit that swings close to Earth at perigee and far away at apogee. Includes Molniya and Tundra orbits used for high-latitude coverage.