Satellite · NORAD 5675 · COSPAR 1971-109A
ARIEL 4 (UK-4)
- Operator United Kingdom
- Constellation —
- Country United Kingdom
Altitude now
—
object decayed
Velocity
—
Inclination
82.95°
Period
89.1 min
89.1 min
Perigee
227km
Apogee
234km
orbit unavailableNo orbital element set on file — decayed 12 Dec 1978.· Metadata updated 15 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 12 Dec 1978 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Unknown
- Object type
- Payload
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- 3.4 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- ARIEL 4 (UK-4)Celestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- UK · United Kingdom
- Country
- United Kingdom GB
Launch
Launch
- Launch date
- 11 Dec 1971
- COSPAR launch id
- 1971-109
Objects from the same launch · 3
- SCOUT B-1 DEB5677DebrisDecayed
- SCOUT B-1 DEB5979DebrisDecayed
- SCOUT B-1 R/B5676Rocket bodyDecayed
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
- 5675
- COSPAR / international designator
- 1971-109A
- SatelliteIndex id
- sat_01M28X3JK9B048X18TNF3PXRY4
- Canonical slug
- ariel-4-uk-4-5675
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Unknown) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.