Satellite · NORAD 48865 · COSPAR 2021-056A
COSMOS 2550
- Operator Russian Ministry of Defence
- Constellation Kosmos (Russian military / government)
- Country Russia
Altitude now
467.9km
SGP4 propagation
Velocity
7.63km/s
Inclination
67.14°
Period
93.9 min
93.9 min
Perigee
459km
Apogee
470km
orbit freshOrbit updated 8 h ago · element epoch 11 Sept 2026 14:52 UTC (7.0 h old)· Metadata updated 8 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.
Loading ground track…
- Latitude
- 18.951° N
- Longitude
- 50.968° E
- Altitude
- 467.9 km
- Velocity
- 7.633 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 14:52 UTC
Mission
Mission & classification
- Mission type derived
- Military
- Object type
- Payload
- SATCAT ops status
- Operational [+]
- Radar cross-section
- —
- Constellation membership derived
- Kosmos (Russian military / government) via name_pattern
Ownership
Operator & country
- Operator
- Russian Ministry of Defence
- SATCAT owner code
- CIS · Commonwealth of Independent States (former USSR)
- Country
- Russia RU
Launch
Launch
- Launch date
- 25 Jun 2021
- COSPAR launch id
- 2021-056
- Launch site
- Plesetsk Cosmodrome
Objects from the same launch · 1
- SL-4 R/B48866Rocket bodyDecayed
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Owner Code | ∅ → CIS | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Orbit Class | ∅ → LEO | Celestrak | 11 Sept 2026 18:53 UTC |
Regulatory
UN registration
Transparency
Sources & provenance
CelesTrakcommunity
Orbital data courtesy of CelesTrak (Dr. T.S. Kelso).
last sync 6 h ago
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 8 h ago
Field provenance
| Field | Source | Observed | Confidence |
|---|---|---|---|
| Canonical Name | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Decay Date | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Launch Date | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Object Type | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Orbital Elements | CelesTrak | 11 Sept 2026 20:57 UTC | 100% |
| Owner Code | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Status | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
Timeline
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
- 48865
- COSPAR / international designator
- 2021-056A
- SatelliteIndex id
- sat_01M28X2SX57R7B6X2WE9BTPA32
- Canonical slug
- cosmos-2550-48865
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Military) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.