Satellite · NORAD 7591 · COSPAR 1974-104A
SALYUT 4
- Operator Commonwealth of Independent States (former USSR)
- Constellation —
- Country Russia
Altitude now
—
object decayed
Velocity
—
Inclination
51.57°
Period
88.2 min
88.2 min
Perigee
186km
Apogee
187km
orbit unavailableNo orbital element set on file — decayed 02 Feb 1977.· Metadata updated 8 d ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 02 Feb 1977 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Unknown
- Object type
- Payload
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- —
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- SALYUT 4Celestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- CIS · Commonwealth of Independent States (former USSR)
- Country
- Russia RU
Launch
Launch
- Launch date
- 26 Dec 1974
- COSPAR launch id
- 1974-104
- Launch site
- Baikonur Cosmodrome (Tyuratam)
Objects from the same launch · 18
- SALYUT 4 DEB7595DebrisDecayed
- SALYUT 4 DEB7598DebrisDecayed
- SALYUT 4 DEB7608DebrisDecayed
- SALYUT 4 DEB7628DebrisDecayed
- SALYUT 4 DEB7630DebrisDecayed
- SALYUT 4 DEB7634DebrisDecayed
- SALYUT 4 DEB7656DebrisDecayed
- SALYUT 4 DEB7657DebrisDecayed
- SALYUT 4 DEB7658DebrisDecayed
- SALYUT 4 DEB7661DebrisDecayed
- SALYUT 4 DEB7662DebrisDecayed
- SALYUT 4 DEB7704DebrisDecayed
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
- 7591
- COSPAR / international designator
- 1974-104A
- SatelliteIndex id
- sat_01M28X3JKK2493CBA78X8Q7JZT
- Canonical slug
- salyut-4-7591
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Unknown) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.