Satellite · NORAD 20842 · COSPAR 1990-090B
ULYSSES
- Operator United States
- Constellation —
- Country United States
Altitude now
—
no element set
Velocity
—
Inclination
—
Period
—
Perigee
—
Apogee
—
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
- —
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- ULYSSESCelestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 06 Oct 1990
- COSPAR launch id
- 1990-090
Objects from the same launch · 4
- STS 4120841PayloadDecayed
- IUS R/B(1)20843Rocket bodyInactive
- IUS R/B(2)20844Rocket bodyInactive
- PAM-S R/B20845Rocket 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
- 20842
- COSPAR / international designator
- 1990-090B
- SatelliteIndex id
- sat_01M28X3JPFZ9DAD0HC7HJV0072
- Canonical slug
- ulysses-20842
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.