Debris object · NORAD 8740 · COSPAR 1974-101F
THORAD DELTA 1 DEB
- Operator United States
- Constellation —
- Country United States
Altitude now
—
object decayed
Velocity
—
Inclination
27.03°
Period
90.6 min
90.6 min
Perigee
238km
Apogee
369km
orbit unavailableNo orbital element set on file — decayed 25 Dec 1977.· Metadata updated 19 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 25 Dec 1977 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Debris
- Object type
- Debris
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- 0.2 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- THORAD DELTA 1 DEBCelestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 19 Dec 1974
- COSPAR launch id
- 1974-101
Objects from the same launch · 6
- THORAD DELTA 1 DEB7580DebrisDecayed
- THORAD DELTA 1 DEB7581DebrisDecayed
- THORAD DELTA 1 DEB8739DebrisDecayed
- SYMPHONIE 17578PayloadUnknown
- THORAD DELTA 1 R/B(1)7579Rocket bodyDecayed
- THORAD DELTA 1 R/B(2)9330Rocket bodyInactive
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
- 8740
- COSPAR / international designator
- 1974-101F
- SatelliteIndex id
- sat_01M28X3JMCS4XCKAY9VE1YCM64
- Canonical slug
- thorad-delta-1-deb-8740
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.