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Satellite · NORAD 52984 · COSPAR 2022-075A

COSMOS 2557 [GLONASS-K]

ActivePayloadMEONavigation derived

Altitude now

19,123.8km

SGP4 propagation

Velocity

3.95km/s

Inclination

64.24°

Period

11.3 h

675.7 min

Perigee

19,098km

Apogee

19,161km

orbit staleOrbit updated 20 h ago · element epoch 08 Sept 2026 04:01 UTC (89.4 h old)· Metadata updated 20 h ago

Live position

Ground track & current position

Propagated client-side every 5 s from the latest element set (SGP4). Accuracy degrades with element age.

Ground track of COSMOS 2557 [GLONASS-K]COSMOS 2557 [GLONASS-K]
LIVE · SGP4

Loading ground track…

Latitude
20.317° S
Longitude
11.061° W
Altitude
19123.8 km
Velocity
3.954 km/s
  • past 45 min
  • next 90 min
  • first fix from server render · element epoch 08 Sept 2026 04:01 UTC

Mission

Mission & classification

Mission type derived
Navigation
Object type
Payload
SATCAT ops status
Operational [+]
Radar cross-section
—
Constellation membership derived
GLONASS via celestrak_group

CelesTrak groups

Aliases

  • COSMOS 2557 [GLONASS-K]Celestrak

Ownership

Operator & country

Operator
Roscosmos / Russian Space Systems (GLONASS)
SATCAT owner code
CIS · Commonwealth of Independent States (former USSR)
Country
Russia RU

Launch

Launch

Launch page →
Launch date
07 Jul 2022
COSPAR launch id
2022-075
Launch site
Plesetsk Cosmodrome

Objects from the same launch · 1

Change log

History

FieldChangeSourceDate
Operator Id∅ → org_01M28X1Z8ZZWN15JVMXMFY0CMKCelestrak11 Sept 2026 18:56 UTC
Constellation Id∅ → con_01M28X1Z9THZ1XWH6BWYKMDXPPCelestrak11 Sept 2026 18:56 UTC
Operator Id∅ → org_01M28X1Z8ZZWN15JVMXMFY0CMKCelestrak11 Sept 2026 18:56 UTC
Constellation Id∅ → con_01M28X1Z9THZ1XWH6BWYKMDXPPCelestrak11 Sept 2026 18:56 UTC
Country Code∅ → RUCelestrak Satcat11 Sept 2026 18:53 UTC
Owner Code∅ → CISCelestrak Satcat11 Sept 2026 18:53 UTC
Orbit Class∅ → MEOCelestrak11 Sept 2026 18:53 UTC

Regulatory

UN registration

UN Register of Objects Launched into Outer Space (UNOOSA) — connector planned, not yet ingested; registration unavailable

Transparency

Sources & provenance

All sources →

  • CelesTrakcommunity

    Orbital data courtesy of CelesTrak (Dr. T.S. Kelso).

    last sync 18 h ago

  • CelesTrak SATCATcommunity

    Satellite catalog data courtesy of CelesTrak.

    last sync 20 h ago

Field provenance

FieldSourceObservedConfidence
Canonical NameCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
Decay DateCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
Launch DateCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
Object TypeCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
Orbital ElementsCelesTrak11 Sept 2026 20:57 UTC100%
Owner CodeCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
StatusCelesTrak SATCAT11 Sept 2026 18:53 UTC100%

Timeline

Events

All events →

No events detected for this object yet. Launches, decays and orbit changes are generated by the derived-analytics connector.

Reference

Identifiers

NORAD catalogue number
52984
COSPAR / international designator
2022-075A
SatelliteIndex id
sat_01M28X2SXBZXNZXTAANCG3P3B3
Canonical slug
cosmos-2557-glonass-k-52984

Orbit class, mission type and constellation membership are derived by SatelliteIndex (Navigation) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.