Satellite · NORAD 10975 · COSPAR 1978-068A
COMSTAR 3
- Operator United States
- Constellation —
- Country United States
Altitude now
—
no element set
Velocity
—
Inclination
9.36°
Period
1.0 d
1,451.6 min
Perigee
35,991km
Apogee
36,188km
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
- Unknown
- Object type
- Payload
- Radar cross-section
- 4.1 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- COMSTAR 3Celestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 29 Jun 1978
- COSPAR launch id
- 1978-068
Objects from the same launch · 2
- ATLAS CENTAUR DEB25253DebrisInactive
- ATLAS CENTAUR R/B10976Rocket 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
- 10975
- COSPAR / international designator
- 1978-068A
- SatelliteIndex id
- sat_01M28X3JMRMDZ035DSK8HQZ8AT
- Canonical slug
- comstar-3-10975
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.