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SatelliteIndex

Debris object · NORAD 5403 · COSPAR 1971-068B

SL-11 PLAT

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

Altitude now

—

object decayed

Velocity

—

Inclination

49.55°

Period

88.0 min

88.0 min

Perigee

157km

Apogee

191km

orbit unavailableNo orbital element set on file — decayed 10 Aug 1971.· Metadata updated 14 h ago

Live position

Live position

Live position unavailable — this object re-entered the atmosphere on 10 Aug 1971 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-11 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
08 Aug 1971
COSPAR launch id
1971-068
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
5403
COSPAR / international designator
1971-068B
SatelliteIndex id
sat_01M28X3JK7Z28EF3XDDTJM1X3W
Canonical slug
sl-11-plat-5403

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-11 PLAT — Live Orbit, NORAD 5403 | SatelliteIndex