Rocket body · NORAD 20404 · COSPAR 1990-001D
SKYNET 4A R/B [PAM-D2]
- Operator United States
- Constellation —
- Country United States
Altitude now
—
no element set
Velocity
—
Inclination
21.57°
Period
9.4 h
561.1 min
Perigee
331km
Apogee
31,980km
orbit unavailableNo orbital element set on file.· Metadata updated 14 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
- Rocket body
- Object type
- Rocket body
- Radar cross-section
- 3.3 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- SKYNET 4A R/B [PAM-D2]Celestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 01 Jan 1990
- COSPAR launch id
- 1990-001
Objects from the same launch · 5
- TITAN 3 DEB20405DebrisDecayed
- SKYNET 4A20401PayloadUnknown
- JCSAT-220402PayloadUnknown
- TITAN 3 R/B20403Rocket bodyDecayed
- JCSAT-2 PKM [SSUS-A]20406Rocket 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
- 20404
- COSPAR / international designator
- 1990-001D
- SatelliteIndex id
- sat_01M28X3JPCDDFH3TJ6S88RTKM8
- Canonical slug
- skynet-4a-r-b-pam-d2-20404
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Rocket body) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.