Rocket body · NORAD 16089 · COSPAR 1985-085B
SL-4 R/B
- Operator Commonwealth of Independent States (former USSR)
- Constellation —
- Country Russia
Altitude now
—
object decayed
Velocity
—
Inclination
72.85°
Period
88.2 min
88.2 min
Perigee
164km
Apogee
209km
orbit unavailableNo orbital element set on file — decayed 08 Oct 1985.· Metadata updated 14 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 08 Oct 1985 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Rocket body
- Object type
- Rocket body
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- 60.3 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- SL-4 R/BCelestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- CIS · Commonwealth of Independent States (former USSR)
- Country
- Russia RU
Launch
Launch
- Launch date
- 26 Sept 1985
- COSPAR launch id
- 1985-085
- Launch site
- Plesetsk Cosmodrome
Objects from the same launch · 10
- COSMOS 1685 DEB16134DebrisDecayed
- COSMOS 1685 DEB16135DebrisDecayed
- COSMOS 1685 DEB16136DebrisDecayed
- COSMOS 1685 DEB16145DebrisDecayed
- COSMOS 1685 DEB16146DebrisDecayed
- COSMOS 1685 DEB16159DebrisDecayed
- COSMOS 1685 DEB16160DebrisDecayed
- COSMOS 1685 DEB16161DebrisDecayed
- COSMOS 1685 DEB16162DebrisDecayed
- COSMOS 168516088PayloadDecayed
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
- 16089
- COSPAR / international designator
- 1985-085B
- SatelliteIndex id
- sat_01M28X3JNNTM4FPN78GBQ8YP9G
- Canonical slug
- sl-4-r-b-16089
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Rocket body) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.