Satellite · NORAD 25933 · COSPAR 1999-055A
NAVSTAR 46 (USA 145)
- Operator United States Space Force
- Constellation GPS (NAVSTAR)
- Country United States
Altitude now
20,047.5km
SGP4 propagation
Velocity
3.90km/s
Inclination
51.39°
Period
12.0 h
718.0 min
Perigee
19,904km
Apogee
20,461km
orbit agingOrbit updated 8 h ago · element epoch 10 Sept 2026 15:40 UTC (29.4 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
- 41.689° S
- Longitude
- 150.137° W
- Altitude
- 20047.5 km
- Velocity
- 3.895 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 10 Sept 2026 15:40 UTC
Mission
Mission & classification
- Mission type derived
- Navigation
- Object type
- Payload
- SATCAT ops status
- Backup / standby [B]
- Radar cross-section
- 4.0 m²
- Constellation membership derived
- GPS (NAVSTAR) via name_pattern
Ownership
Operator & country
- Operator
- United States Space Force
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 07 Oct 1999
- COSPAR launch id
- 1999-055
Objects from the same launch · 3
- DELTA 2 DEB26789DebrisDecayed
- DELTA 2 R/B(1)25934Rocket bodyDecayed
- DELTA 2 R/B(2) [PAM-D]25935Rocket bodyDecayed
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Status | ACTIVE → INACTIVE | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| 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
11 Sept 2026 18:53 UTC
DecommissionNAVSTAR 46 (USA 145) reported inactive
SATCAT status changed ? → B.
confidence 80%
Reference
Identifiers
- NORAD catalogue number
- 25933
- COSPAR / international designator
- 1999-055A
- SatelliteIndex id
- sat_01M28X2SWT01QM2JGQ9QTBM23H
- Canonical slug
- navstar-46-usa-145-25933
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.