Satellite · NORAD 20776 · COSPAR 1990-079A
SKYNET 4C
- Operator United Kingdom
- Constellation —
- Country United Kingdom
Altitude now
—
no element set
Velocity
—
Inclination
13.31°
Period
1.0 d
1,460.8 min
Perigee
36,257km
Apogee
36,279km
orbit unavailableNo orbital element set on file.· Metadata updated 9 h ago
Live position
Live position
Live position unavailable — no public orbital element set exists for this object (it may be classified, untracked or too small to catalogue).
Mission
Mission & classification
- Mission type derived
- Communications
- Object type
- Payload
- SATCAT ops status
- Non-operational [-]
- Radar cross-section
- 11.1 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- SKYNET 4CCelestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- UK · United Kingdom
- Country
- United Kingdom GB
Launch
Launch
- Launch date
- 30 Aug 1990
- COSPAR launch id
- 1990-079
- Launch site
- Guiana Space Centre, Kourou
Objects from the same launch · 3
- ARIANE 44LP DEB [SPELDA]20781DebrisDecayed
- EUTELSAT 2-F120777PayloadUnknown
- ARIANE 44LP R/B20778Rocket 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
- 20776
- COSPAR / international designator
- 1990-079A
- SatelliteIndex id
- sat_01M28X3JPFZ9DAD0HC7HJV0050
- Canonical slug
- skynet-4c-20776
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Communications) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.