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SatelliteIndex

Satellite · NORAD 18875 · COSPAR 1988-011A

COSMOS 1921

DecayedPayloadLEOMilitary derived

Altitude now

—

object decayed

Velocity

—

Inclination

70.01°

Period

92.2 min

92.2 min

Perigee

349km

Apogee

413km

orbit unavailableNo orbital element set on file — decayed 04 Mar 1988.· Metadata updated 2 d ago

Live position

Live position

Live position unavailable — this object re-entered the atmosphere on 04 Mar 1988 and is no longer tracked.

Mission

Mission & classification

Mission type derived
Military
Object type
Payload
SATCAT ops status
Decayed [D]
Radar cross-section
2.5 m²
Constellation membership derived
Kosmos (Russian military / government) via name_pattern

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • COSMOS 1921Celestrak Satcat

Ownership

Operator & country

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

Launch

Launch

Launch page →
Launch date
19 Feb 1988
COSPAR launch id
1988-011
Launch site
Baikonur Cosmodrome (Tyuratam)

Objects from the same launch · 8

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
18875
COSPAR / international designator
1988-011A
SatelliteIndex id
sat_01M28X3JP4VJDRKDMER8SWBQF1
Canonical slug
cosmos-1921-18875

Orbit class, mission type and constellation membership are derived by SatelliteIndex (Military) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.