Satellite · NORAD 7815 · COSPAR 1975-042A
INTELSAT 4-F1
- Operator Intelsat
- Constellation Intelsat fleet
- Country United States
Altitude now
—
no element set
Velocity
—
Inclination
8.08°
Period
1.0 d
1,450.8 min
Perigee
36,017km
Apogee
36,130km
orbit unavailableNo orbital element set on file.· Metadata updated 13 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
- 12.5 m²
- Constellation membership derived
- Intelsat fleet via name_pattern
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- INTELSAT 4-F1Celestrak Satcat
Ownership
Operator & country
- Operator
- Intelsat
- SATCAT owner code
- ITSO · Intelsat
- Country
- United States US
Launch
Launch
- Launch date
- 22 May 1975
- COSPAR launch id
- 1975-042
Objects from the same launch · 1
- ATLAS CENTAUR R/B7902Rocket 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
- 7815
- COSPAR / international designator
- 1975-042A
- SatelliteIndex id
- sat_01M28X3JKMDMHBV4E8EWEVX2W0
- Canonical slug
- intelsat-4-f1-7815
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.