Satellite · NORAD 43651 · COSPAR 2018-079A
AEHF-4 (USA 288)
- Operator United States
- Constellation —
- Country United States
Altitude now
35,503.9km
SGP4 propagation
Velocity
3.10km/s
Inclination
1.42°
Period
23.9 h
1,436.2 min
Perigee
35,498km
Apogee
36,077km
orbit freshOrbit updated 3 h ago · element epoch 11 Sept 2026 18:45 UTC (9.4 h old)· Metadata updated 3 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
- 0.309° S
- Longitude
- 67.791° W
- Altitude
- 35503.9 km
- Velocity
- 3.095 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 18:45 UTC
Mission
Mission & classification
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 17 Oct 2018
- COSPAR launch id
- 2018-079
Objects from the same launch · 40+
- ATLAS 5 CENTAUR DEB44642DebrisInactive
- ATLAS 5 CENTAUR DEB44643DebrisInactive
- ATLAS 5 CENTAUR DEB44644DebrisInactive
- ATLAS 5 CENTAUR DEB44645DebrisInactive
- ATLAS 5 CENTAUR DEB44646DebrisInactive
- ATLAS 5 CENTAUR DEB44647DebrisInactive
- ATLAS 5 CENTAUR DEB44648DebrisInactive
- ATLAS 5 CENTAUR DEB44649DebrisInactive
- ATLAS 5 CENTAUR DEB44650DebrisInactive
- ATLAS 5 CENTAUR DEB44651DebrisInactive
- ATLAS 5 CENTAUR DEB44652DebrisInactive
- ATLAS 5 CENTAUR DEB44653DebrisInactive
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Country Code | ∅ → US | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| 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 1 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 | 12 Sept 2026 03:03 UTC | 100% |
| Owner Code | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Status | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
Quality flags
- UNKNOWN_OPERATORactive payload without resolved operator11 Sept 2026
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
- 43651
- COSPAR / international designator
- 2018-079A
- SatelliteIndex id
- sat_01M28X2SWZKGKWBJN3JDYP0RY6
- Canonical slug
- aehf-4-usa-288-43651
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.