Rocket body · NORAD 21429 · COSPAR 1991-043D
SL-6 R/B(2)
- Operator Commonwealth of Independent States (former USSR)
- Constellation —
- Country Russia
Altitude now
—
no element set
Velocity
—
Inclination
63.61°
Period
12.2 h
732.2 min
Perigee
2,204km
Apogee
38,860km
orbit unavailableNo orbital element set on file.· Metadata updated 9 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
- 7.2 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- SL-6 R/B(2)Celestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- CIS · Commonwealth of Independent States (former USSR)
- Country
- Russia RU
Launch
Launch
- Launch date
- 18 Jun 1991
- COSPAR launch id
- 1991-043
- Launch site
- Plesetsk Cosmodrome
Objects from the same launch · 3
- SL-6 PLAT21428DebrisDecayed
- MOLNIYA 1-8121426PayloadUnknown
- SL-6 R/B(1)21427Rocket bodyDecayed
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
- 21429
- COSPAR / international designator
- 1991-043D
- SatelliteIndex id
- sat_01M28X3JPKDVSSD2Y60ZHP1WWF
- Canonical slug
- sl-6-r-b-2-21429
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.