Satellite · NORAD 25630 · COSPAR 1999-006A
JCSAT-4A
- Operator Japan
- Constellation —
- Country Japan
Altitude now
—
no element set
Velocity
—
Inclination
9.88°
Period
1.0 d
1,457.3 min
Perigee
36,108km
Apogee
36,294km
orbit unavailableNo orbital element set on file.· Metadata updated 10 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
- 31.6 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- JCSAT-4ACelestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- JPN · Japan
- Country
- Japan JP
Launch
Launch
- Launch date
- 16 Feb 1999
- COSPAR launch id
- 1999-006
Objects from the same launch · 1
- ATLAS 2AS CENTAUR R/B25631Rocket 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
- 25630
- COSPAR / international designator
- 1999-006A
- SatelliteIndex id
- sat_01M28X3JQ95R9Y8N3H7XFHPTJ5
- Canonical slug
- jcsat-4a-25630
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.