Rocket body · NORAD 8546 · COSPAR 1975-123D
SL-12 R/B(AUX MOTOR)
- Operator Commonwealth of Independent States (former USSR)
- Constellation —
- Country Russia
Altitude now
—
no element set
Velocity
—
Inclination
46.09°
Period
6.0 h
360.3 min
Perigee
394km
Apogee
20,393km
orbit unavailableNo orbital element set on file.· Metadata updated 7 h ago
Live position
Live position
Live position unavailable — no public orbital element set exists for this object (it may be classified, untracked or too small to catalogue).
Mission
Mission & classification
- Mission type derived
- Rocket body
- Object type
- Rocket body
- Radar cross-section
- 0.7 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- SL-12 R/B(AUX MOTOR)Celestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- CIS · Commonwealth of Independent States (former USSR)
- Country
- Russia RU
Launch
Launch
- Launch date
- 22 Dec 1975
- COSPAR launch id
- 1975-123
- Launch site
- Baikonur Cosmodrome (Tyuratam)
Objects from the same launch · 5
- SL-12 PLAT8514DebrisDecayed
- RADUGA 18513PayloadUnknown
- SL-12 R/B(1)8515Rocket bodyDecayed
- SL-12 R/B(AUX MOTOR)8547Rocket bodyDecayed
- SL-12 R/B(2)11568Rocket 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
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 7 h ago
Field provenance
| Field | Source | Observed | Confidence |
|---|---|---|---|
| Canonical Name | CelesTrak SATCAT | 12 Sept 2026 18:57 UTC | 100% |
| Decay Date | CelesTrak SATCAT | 12 Sept 2026 18:57 UTC | 100% |
| Launch Date | CelesTrak SATCAT | 12 Sept 2026 18:57 UTC | 100% |
| Object Type | CelesTrak SATCAT | 12 Sept 2026 18:57 UTC | 100% |
| Owner Code | CelesTrak SATCAT | 12 Sept 2026 18:57 UTC | 100% |
| Status | CelesTrak SATCAT | 12 Sept 2026 18:57 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
- 8546
- COSPAR / international designator
- 1975-123D
- SatelliteIndex id
- sat_01M28X3JMBK9PSYR3G806J1WDE
- Canonical slug
- sl-12-r-b-aux-motor-8546
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.