COSMOS 2557 [GLONASS-K]

NavigationMilitaryMEORussia

COSMOS 2557 [GLONASS-K] is a navigation satellite, with ownership listed as Russia in CelesTrak's catalogue, currently in medium Earth orbit near 19,103 km. It completes one orbit of Earth roughly every 676 minutes at an inclination of 64.2°. It was launched in 2022. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID: 52984
COSPAR ID: 2022-075A
Type: Navigation
Orbit: MEO
Perigee (lowest): 19,103 km
Apogee (highest): 19,171 km
Inclination: 64.22°
Orbital period: 676 min
Launch year: 2022
Owner (CelesTrak): Russia

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

Who operates it

RussiaLIVEActive

Navigation

Independent assessment

GCAT classes it as a military satellite for navigation 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 MEO orbit

Medium Earth Orbit. Between 2,000 and 35,786 km. Home to navigation constellations like GPS (~20,200 km), Galileo, and BeiDou. Orbital period 2 to 24 hours.