Satellite · NORAD 28054 · COSPAR 2003-048A
DMSP 5D-3 F16 (USA 172)
- Operator United States
- Constellation —
- Country United States
Altitude now
859.5km
SGP4 propagation
Velocity
7.43km/s
Inclination
98.99°
Period
101.8 min
101.8 min
Perigee
840km
Apogee
848km
orbit freshOrbit updated 8 h ago · element epoch 11 Sept 2026 14:43 UTC (6.6 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
- 65.597° N
- Longitude
- 51.805° W
- Altitude
- 859.5 km
- Velocity
- 7.427 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 14:43 UTC
Mission
Mission & classification
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 18 Oct 2003
- COSPAR launch id
- 2003-048
Objects from the same launch · 9
- DMSP 5D-3 F16 DEB28055DebrisInactive
- DMSP 5D-3 F16 DEB28056DebrisInactive
- DMSP 5D-3 F16 DEB28080DebrisInactive
- DMSP 5D-3 F16 DEB28081DebrisInactive
- DMSP 5D-3 F16 DEB28605DebrisDecayed
- DMSP 5D-3 F16 DEB28606DebrisDecayed
- DMSP 5D-3 F16 DEB28607DebrisDecayed
- DMSP 5D-3 F16 DEB28976DebrisDecayed
- DMSP 5D-3 F16 DEB36298DebrisDecayed
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Status | ACTIVE → INACTIVE | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Country Code | ∅ → US | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Owner Code | ∅ → US | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Orbit Class | ∅ → LEO | 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% |
Quality flags
- UNKNOWN_OPERATORactive payload without resolved operator11 Sept 2026
Timeline
Events
11 Sept 2026 18:53 UTC
DecommissionDMSP 5D-3 F16 (USA 172) reported inactive
SATCAT status changed ? → B.
confidence 80%
Reference
Identifiers
- NORAD catalogue number
- 28054
- COSPAR / international designator
- 2003-048A
- SatelliteIndex id
- sat_01M28X2SWT01QM2JGQ9QTBM25C
- Canonical slug
- dmsp-5d-3-f16-usa-172-28054
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Weather) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.