Satellite · NORAD 28474 · COSPAR 2004-045A
NAVSTAR 56 (USA 180)
- Operator United States Space Force
- Constellation GPS (NAVSTAR)
- Country United States
Altitude now
20,180.7km
SGP4 propagation
Velocity
3.88km/s
Inclination
55.08°
Period
12.0 h
718.0 min
Perigee
19,726km
Apogee
20,639km
orbit agingOrbit updated 8 h ago · element epoch 11 Sept 2026 03:25 UTC (17.7 h old)· Metadata updated 8 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
- 38.641° S
- Longitude
- 131.901° W
- Altitude
- 20180.7 km
- Velocity
- 3.875 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 03:25 UTC
Mission
Mission & classification
Ownership
Operator & country
- Operator
- United States Space Force
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 06 Nov 2004
- COSPAR launch id
- 2004-045
Objects from the same launch · 3
- DELTA 2 DEB35428DebrisDecayed
- DELTA 2 R/B(1)28475Rocket bodyDecayed
- DELTA 2 R/B(2) [PAM-D]28476Rocket bodyDecayed
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Owner Code | ∅ → US | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Orbit Class | ∅ → MEO | 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 6 h ago
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 8 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
- 28474
- COSPAR / international designator
- 2004-045A
- SatelliteIndex id
- sat_01M28X2SWT01QM2JGQ9QTBM265
- Canonical slug
- navstar-56-usa-180-28474
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Navigation) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.