Satellite · NORAD 15889 · COSPAR 1985-058A
COSMOS 1666
- Operator Russian Ministry of Defence
- Constellation Kosmos (Russian military / government)
- Country Russia
Altitude now
—
object decayed
Velocity
—
Inclination
82.44°
Period
87.3 min
87.3 min
Perigee
127km
Apogee
149km
orbit unavailableNo orbital element set on file — decayed 15 Jun 2025.· Metadata updated 16 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 15 Jun 2025 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Military
- Object type
- Payload
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- 7.2 m²
- Constellation membership derived
- Kosmos (Russian military / government) via name_pattern
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- COSMOS 1666Celestrak Satcat
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
- 08 Jul 1985
- COSPAR launch id
- 1985-058
- Launch site
- Plesetsk Cosmodrome
Objects from the same launch · 2
- COSMOS 1666 DEB19241DebrisDecayed
- SL-14 R/B15890Rocket bodyInactive
Change log
History
No changes recorded since first ingestion on 11 Sept 2026 18:54 UTC. Status, orbit class, name and ownership changes are logged here as sources are re-ingested.
Regulatory
UN registration
Transparency
Sources & provenance
No source is linked to this record yet — the catalogue row exists but no provenance entry has been written for it.
Field provenance
No field-level provenance recorded.
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
- 15889
- COSPAR / international designator
- 1985-058A
- SatelliteIndex id
- sat_01M28X3JNMNGZEMQFW8S6D3RM7
- Canonical slug
- cosmos-1666-15889
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.