Satellite · NORAD 19911 · COSPAR 1989-026A
USA 36
- Operator National Reconnaissance Office
- Constellation USA (classified US military payloads)
- Country United States
Altitude now
—
object decayed
Velocity
—
Inclination
47.68°
Period
87.3 min
87.3 min
Perigee
138km
Apogee
146km
orbit unavailableNo orbital element set on file — decayed 23 Jun 1992.· Metadata updated 11 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 23 Jun 1992 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Military
- Object type
- Payload
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- 17.3 m²
- Constellation membership derived
- USA (classified US military payloads) via name_pattern
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- USA 36Celestrak Satcat
Ownership
Operator & country
- Operator
- National Reconnaissance Office
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 24 Mar 1989
- COSPAR launch id
- 1989-026
Objects from the same launch
No other catalogued object is linked to this launch.
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
- 19911
- COSPAR / international designator
- 1989-026A
- SatelliteIndex id
- sat_01M28X3JPA1FF8HXMJ74Q9SQDP
- Canonical slug
- usa-36-19911
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.