Satellite · NORAD 43339 · COSPAR 2018-036A
USA 283
- Operator National Reconnaissance Office
- Constellation USA (classified US military payloads)
- Country United States
Altitude now
35,791.1km
SGP4 propagation
Velocity
3.07km/s
Inclination
0.02°
Period
23.9 h
1,436.2 min
Perigee
35,785km
Apogee
35,791km
orbit staleOrbit updated 9 h ago · element epoch 08 Sept 2026 11:19 UTC (81.9 h old)· Metadata updated 9 h ago
Live position
Ground track & current position
Propagated client-side every 5 s from the latest element set (SGP4). Accuracy degrades with element age.
Loading ground track…
- Latitude
- 0.043° S
- Longitude
- 133.997° E
- Altitude
- 35791.1 km
- Velocity
- 3.074 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 08 Sept 2026 11:19 UTC
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
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 28443340PayloadActive
- USA 28543445PayloadActive
- USA 28643446PayloadActive
- USA 28743465PayloadActive
- ATLAS CENTAUR R/B43341Rocket bodyInactive
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Owner Code | ∅ → US | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Orbit Class | ∅ → GEO | Celestrak | 11 Sept 2026 18:53 UTC |
Regulatory
UN registration
Transparency
Sources & provenance
CelesTrakcommunity
Orbital data courtesy of CelesTrak (Dr. T.S. Kelso).
last sync 7 h ago
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 9 h ago
Field provenance
| Field | Source | Observed | Confidence |
|---|---|---|---|
| Canonical Name | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Decay Date | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Launch Date | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Object Type | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Orbital Elements | CelesTrak | 11 Sept 2026 20:57 UTC | 100% |
| Owner Code | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Status | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
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
- 43339
- COSPAR / international designator
- 2018-036A
- SatelliteIndex id
- sat_01M28X2SWZKGKWBJN3JDYP0RW8
- Canonical slug
- usa-283-43339
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.