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SatelliteIndex

Debris object · NORAD 11021 · COSPAR 1978-084B

SL-12 PLAT

DecayedDebrisLEODebris derived
  • Operator Commonwealth of Independent States (former USSR)
  • Constellation —
  • Country Russia

Altitude now

—

object decayed

Velocity

—

Inclination

51.55°

Period

87.8 min

87.8 min

Perigee

152km

Apogee

181km

orbit unavailableNo orbital element set on file — decayed 10 Sept 1978.· Metadata updated 12 h ago

Live position

Live position

Live position unavailable — this object re-entered the atmosphere on 10 Sept 1978 and is no longer tracked.

Mission

Mission & classification

Mission type derived
Debris
Object type
Debris
SATCAT ops status
Decayed [D]
Radar cross-section
—

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • SL-12 PLATCelestrak Satcat

Ownership

Operator & country

Operator
—
SATCAT owner code
CIS · Commonwealth of Independent States (former USSR)
Country
Russia RU

Launch

Launch

Launch page →
Launch date
09 Sept 1978
COSPAR launch id
1978-084
Launch site
Baikonur Cosmodrome (Tyuratam)

Objects from the same launch · 2

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

UN Register of Objects Launched into Outer Space (UNOOSA) — connector planned, not yet ingested; registration unavailable

Transparency

Sources & provenance

All sources →

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

All 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
11021
COSPAR / international designator
1978-084B
SatelliteIndex id
sat_01M28X3JMSWGAB1RH93X50S2KQ
Canonical slug
sl-12-plat-11021

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.

SL-12 PLAT — Live Orbit, NORAD 11021 | SatelliteIndex