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SatelliteIndex

Debris object · NORAD 21755 · COSPAR 1991-070C

FOTON 4 DEB

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

Altitude now

—

object decayed

Velocity

—

Inclination

62.79°

Period

88.7 min

88.7 min

Perigee

179km

Apogee

240km

orbit unavailableNo orbital element set on file — decayed 25 Oct 1991.· Metadata updated 14 h ago

Live position

Live position

Live position unavailable — this object re-entered the atmosphere on 25 Oct 1991 and is no longer tracked.

Mission

Mission & classification

Mission type derived
Debris
Object type
Debris
SATCAT ops status
Decayed [D]
Radar cross-section
0.4 m²

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • FOTON 4 DEBCelestrak Satcat

Ownership

Operator & country

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

Launch

Launch

Launch page →
Launch date
04 Oct 1991
COSPAR launch id
1991-070
Launch site
Plesetsk Cosmodrome

Objects from the same launch · 5

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
21755
COSPAR / international designator
1991-070C
SatelliteIndex id
sat_01M28X3JPMVTQKJ42K3VE70XSB
Canonical slug
foton-4-deb-21755

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.