Satellite · NORAD 58141 · COSPAR 2023-163A
YAOGAN-39 04A
- Operator China military / Yaogan programme
- Constellation Yaogan
- Country China
Altitude now
497.8km
SGP4 propagation
Velocity
7.62km/s
Inclination
35.00°
Period
94.5 min
94.5 min
Perigee
494km
Apogee
499km
orbit agingOrbit updated 11 h ago · element epoch 11 Sept 2026 04:07 UTC (18.8 h old)· Metadata updated 11 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
- 13.722° S
- Longitude
- 164.386° E
- Altitude
- 497.8 km
- Velocity
- 7.617 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 04:07 UTC
Mission
Mission & classification
Ownership
Operator & country
- SATCAT owner code
- PRC · People's Republic of China
- Country
- China CN
Launch
Launch
- Launch date
- 23 Oct 2023
- COSPAR launch id
- 2023-163
- Launch site
- Xichang Satellite Launch Center
Objects from the same launch · 4
- CZ-2D DEB58144DebrisDecayed
- YAOGAN-39 04B58143PayloadActive
- YAOGAN-39 04C58145PayloadActive
- CZ-2D R/B58142Rocket bodyDecayed
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Owner Code | ∅ → PRC | 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 9 h ago
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 11 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
- 58141
- COSPAR / international designator
- 2023-163A
- SatelliteIndex id
- sat_01M28X2SXS0HRCG2KPBMF6DG5M
- Canonical slug
- yaogan-39-04a-58141
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.