Satellite · NORAD 43340 · COSPAR 2018-036B
USA 284
- Operator National Reconnaissance Office
- Constellation USA (classified US military payloads)
- Country United States
Altitude now
—
no element set
Velocity
—
Inclination
7.42°
Period
1.0 d
1,491.6 min
Perigee
36,786km
Apogee
36,945km
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
- Military
- Object type
- Payload
- SATCAT ops status
- Operational [+]
- Radar cross-section
- —
- Constellation membership derived
- USA (classified US military payloads) via name_pattern
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- USA 284Celestrak Satcat
Ownership
Operator & country
- Operator
- National Reconnaissance Office
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 14 Apr 2018
- COSPAR launch id
- 2018-036
Objects from the same launch · 6
- ATLAS CENTAUR DEB43342DebrisInactive
- USA 28343339PayloadActive
- USA 28543445PayloadActive
- USA 28643446PayloadActive
- USA 28743465PayloadActive
- ATLAS CENTAUR R/B43341Rocket 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
- 43340
- COSPAR / international designator
- 2018-036B
- SatelliteIndex id
- sat_01M28X3JV0Q2N9D1CJH21PFP1Y
- Canonical slug
- usa-284-43340
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Military) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.