Debris object · NORAD 20665 · COSPAR 1990-055C
SL-6 PLAT
- Operator Commonwealth of Independent States (former USSR)
- Constellation —
- Country Russia
Altitude now
—
object decayed
Velocity
—
Inclination
62.85°
Period
87.6 min
87.6 min
Perigee
134km
Apogee
178km
orbit unavailableNo orbital element set on file — decayed 20 Jul 1990.· Metadata updated 16 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 20 Jul 1990 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Debris
- Object type
- Debris
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- 3.6 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- SL-6 PLATCelestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- CIS · Commonwealth of Independent States (former USSR)
- Country
- Russia RU
Launch
Launch
- Launch date
- 21 Jun 1990
- COSPAR launch id
- 1990-055
- Launch site
- Plesetsk Cosmodrome
Objects from the same launch · 4
- SL-6 DEB43502DebrisDecayed
- COSMOS 208420663PayloadUnknown
- SL-6 R/B(1)20664Rocket bodyDecayed
- SL-6 R/B(2)20666Rocket 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
- 20665
- COSPAR / international designator
- 1990-055C
- SatelliteIndex id
- sat_01M28X3JPEH6NW3VTACEV6MZYR
- Canonical slug
- sl-6-plat-20665
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Debris) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.